Fait mathématique: 1140 is the only number less than 10 million that can be written in 2 different ways as the sum of 3 or more consecutive numbers raised to consecutive powers.
Culture générale: 1140 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: February 13th is the day in 1880 that Thomas Edison observes the Edison effect.