194

194 = 2 x 97.

194 has a representation as a sum of two squares: 194 = 5² + 13².

194 is the smallest number with five representations as a sum of three squares: 194 = 1² + 7² + 12² = 3² + 4² + 13² = 3² + 8² + 11² = 5² + 5² + 12² = 7² + 8² + 9².

194 is a number n such that n⁴ + 1 is prime: 1,416,468,497 is prime.

194 Prokne is a large, dark, main-belt asteroid discovered in 1879.

Source: What's Special About This Number?