Fait général: 9138 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 9138 is the number of 13-iamonds without bilateral symmetry.
Culture générale: 9138 is an uninteresting number.
Date historique: January 6th is the day in 1960 that National Airlines Flight 2511 is destroyed in mid-air by a bomb, while en route from New York City to Miami, Florida.