117918634 has 8 divisors (see below), whose sum is σ = 176940288. Its totient is φ = 58938540.

The previous prime is 117918607. The next prime is 117918679. The reversal of 117918634 is 436819711.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1912 + ... + 15475.

It is an arithmetic number, because the mean of its divisors is an integer number (22117536).

Almost surely, 2^117918634 is an apocalyptic number.

117918634 is a deficient number, since it is larger than the sum of its proper divisors (59021654).

117918634 is a wasteful number, since it uses less digits than its factorization.

117918634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20780.

The product of its digits is 36288, while the sum is 40.

The square root of 117918634 is about 10859.0346716455. The cubic root of 117918634 is about 490.3740500831.

The spelling of 117918634 in words is "one hundred seventeen million, nine hundred eighteen thousand, six hundred thirty-four".