118131684 has 48 divisors (see below), whose sum is σ = 301357056. Its totient is φ = 35719200.

The previous prime is 118131677. The next prime is 118131697. The reversal of 118131684 is 486131811.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95349 + ... + 96579.

It is an arithmetic number, because the mean of its divisors is an integer number (6278272).

Almost surely, 2^118131684 is an apocalyptic number.

It is an amenable number.

118131684 is an abundant number, since it is smaller than the sum of its proper divisors (183225372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118131684 is a wasteful number, since it uses less digits than its factorization.

118131684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976 (or 1974 counting only the distinct ones).

The product of its digits is 4608, while the sum is 33.

The square root of 118131684 is about 10868.8400485056. The cubic root of 118131684 is about 490.6692008753.

The spelling of 118131684 in words is "one hundred eighteen million, one hundred thirty-one thousand, six hundred eighty-four".