The sum of five consecutive primes (3 + 5 + 7 + 11 + 13), and the sum of the first three powers of 3.
The atomic number of yttrium
The number of categories of activity prohibited on Shabbat according to Halakha
The number of books in the Old Testament according to Protestant canon
The age American comedian Jack Benny claimed to be for more than 40 years - I may steal this one!
One of my favourite tracks from A Night At the Opera. (Apparently if the tracks on Queen's original studio albums are numbered in sequential order starting with their first, this track falls in the thirty-ninth position!)
The number of signers to the United States Constitution, out of 55 members of the Philadelphia Convention delegates.
The traditional number of times citizens of Ancient Rome hit their slaves when beating them, referred to as "Forty save one"
The code for international direct-dialed phone calls to Italy
Japanese Internet chat slang for "thank you" when written with numbers (3=san 9=kyu)
Special bonus: A photo of me I don't hate! Taken at work. Dragon puppet is totally work related.