Fait mathématique: 18137 is an uninteresting number.
Culture générale: 18137 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: August 27th is the day in 1921 that the British install the son of Sharif Hussein bin Ali (leader of the Arab Revolt of 1916 against the Ottoman Empire) as King Faisal I of Iraq.