118939507 has 4 divisors (see below), whose sum is σ = 118966120. Its totient is φ = 118912896.

The previous prime is 118939493. The next prime is 118939517. The reversal of 118939507 is 705939811.

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 118939507 - 2²³ = 110550899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118939517) 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, 4782 + ... + 16147.

It is an arithmetic number, because the mean of its divisors is an integer number (29741530).

Almost surely, 2^118939507 is an apocalyptic number.

118939507 is a deficient number, since it is larger than the sum of its proper divisors (26613).

118939507 is an equidigital number, since it uses as much as digits as its factorization.

118939507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26612.

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 118939507 is about 10905.9390700664. The cubic root of 118939507 is about 491.7851131018.

The spelling of 118939507 in words is "one hundred eighteen million, nine hundred thirty-nine thousand, five hundred seven".