117923136 has 28 divisors (see below), whose sum is σ = 312005472. Its totient is φ = 39307648.

The previous prime is 117923111. The next prime is 117923227. The reversal of 117923136 is 631329711.

It is a junction number, because it is equal to n+sod(n) for n = 117923097 and 117923106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306900 + ... + 307283.

Almost surely, 2^117923136 is an apocalyptic number.

117923136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

117923136 is an abundant number, since it is smaller than the sum of its proper divisors (194082336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117923136 is an equidigital number, since it uses as much as digits as its factorization.

117923136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614198 (or 614188 counting only the distinct ones).

The product of its digits is 6804, while the sum is 33.

The square root of 117923136 is about 10859.2419624944. The cubic root of 117923136 is about 490.3802906458.

The spelling of 117923136 in words is "one hundred seventeen million, nine hundred twenty-three thousand, one hundred thirty-six".