117589139 has 4 divisors (see below), whose sum is σ = 119807856. Its totient is φ = 115370424.

The previous prime is 117589127. The next prime is 117589163. The reversal of 117589139 is 931985711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117589139 - 2⁸ = 117588883 is a prime.

It is a super-2 number, since 2×117589139² = 27654411221522642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117589139.

It is not an unprimeable number, because it can be changed into a prime (117589739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109279 + ... + 1109384.

It is an arithmetic number, because the mean of its divisors is an integer number (29951964).

Almost surely, 2^117589139 is an apocalyptic number.

117589139 is a deficient number, since it is larger than the sum of its proper divisors (2218717).

117589139 is an equidigital number, since it uses as much as digits as its factorization.

117589139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218716.

The product of its digits is 68040, while the sum is 44.

The square root of 117589139 is about 10843.8525902928. The cubic root of 117589139 is about 489.9168802506.

The spelling of 117589139 in words is "one hundred seventeen million, five hundred eighty-nine thousand, one hundred thirty-nine".