117694190 has 16 divisors (see below), whose sum is σ = 217017360. Its totient is φ = 45929280.

The previous prime is 117694183. The next prime is 117694207. The reversal of 117694190 is 91496711.

It is a super-2 number, since 2×117694190² = 27703844719512200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143120 + ... + 143939.

It is an arithmetic number, because the mean of its divisors is an integer number (13563585).

Almost surely, 2^117694190 is an apocalyptic number.

117694190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117694190 is a deficient number, since it is larger than the sum of its proper divisors (99323170).

117694190 is a wasteful number, since it uses less digits than its factorization.

117694190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287107.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 117694190 is about 10848.6953132623. The cubic root of 117694190 is about 490.0627297172.

The spelling of 117694190 in words is "one hundred seventeen million, six hundred ninety-four thousand, one hundred ninety".