117156507 has 8 divisors (see below), whose sum is σ = 168224784. Its totient is φ = 72096288.

The previous prime is 117156497. The next prime is 117156511. The reversal of 117156507 is 705651711.

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

It is not a de Polignac number, because 117156507 - 2⁶ = 117156443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117156517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501968 + ... + 1502045.

It is an arithmetic number, because the mean of its divisors is an integer number (21028098).

Almost surely, 2^117156507 is an apocalyptic number.

117156507 is a deficient number, since it is larger than the sum of its proper divisors (51068277).

117156507 is a wasteful number, since it uses less digits than its factorization.

117156507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004029.

The product of its (nonzero) digits is 7350, while the sum is 33.

The square root of 117156507 is about 10823.8859472927. The cubic root of 117156507 is about 489.3153105449.

The spelling of 117156507 in words is "one hundred seventeen million, one hundred fifty-six thousand, five hundred seven".