118136845 has 4 divisors (see below), whose sum is σ = 141764220. Its totient is φ = 94509472.

The previous prime is 118136831. The next prime is 118136857. The reversal of 118136845 is 548631811.

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

It can be written as a sum of positive squares in 2 ways, for example, as 80030916 + 38105929 = 8946^2 + 6173^2 .

It is a cyclic number.

It is not a de Polignac number, because 118136845 - 2¹³ = 118128653 is a prime.

It is a congruent number.

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, 11813680 + ... + 11813689.

It is an arithmetic number, because the mean of its divisors is an integer number (35441055).

Almost surely, 2^118136845 is an apocalyptic number.

It is an amenable number.

118136845 is a deficient number, since it is larger than the sum of its proper divisors (23627375).

118136845 is an equidigital number, since it uses as much as digits as its factorization.

118136845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23627374.

The product of its digits is 23040, while the sum is 37.

The square root of 118136845 is about 10869.0774677523. The cubic root of 118136845 is about 490.6763463105.

The spelling of 118136845 in words is "one hundred eighteen million, one hundred thirty-six thousand, eight hundred forty-five".