118964139 has 16 divisors (see below), whose sum is σ = 186179328. Its totient is φ = 66141792.

The previous prime is 118964137. The next prime is 118964161. The reversal of 118964139 is 931469811.

It is not a de Polignac number, because 118964139 - 2¹ = 118964137 is a prime.

It is a super-2 number, since 2×118964139² = 28304932736022642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 118964139.

It is not an unprimeable number, because it can be changed into a prime (118964137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75777 + ... + 77330.

It is an arithmetic number, because the mean of its divisors is an integer number (11636208).

Almost surely, 2^118964139 is an apocalyptic number.

118964139 is a deficient number, since it is larger than the sum of its proper divisors (67215189).

118964139 is a wasteful number, since it uses less digits than its factorization.

118964139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153154.

The product of its digits is 46656, while the sum is 42.

The square root of 118964139 is about 10907.0683045445. The cubic root of 118964139 is about 491.8190598115.

The spelling of 118964139 in words is "one hundred eighteen million, nine hundred sixty-four thousand, one hundred thirty-nine".