118131632438 has 16 divisors (see below), whose sum is σ = 182366425296. Its totient is φ = 57358704480.

The previous prime is 118131632417. The next prime is 118131632447. The reversal of 118131632438 is 834236131811.

118131632438 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 118131632395 and 118131632404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3955133 + ... + 3984888.

It is an arithmetic number, because the mean of its divisors is an integer number (11397901581).

Almost surely, 2^118131632438 is an apocalyptic number.

118131632438 is a deficient number, since it is larger than the sum of its proper divisors (64234792858).

118131632438 is a wasteful number, since it uses less digits than its factorization.

118131632438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7940239.

The product of its digits is 82944, while the sum is 41.

The spelling of 118131632438 in words is "one hundred eighteen billion, one hundred thirty-one million, six hundred thirty-two thousand, four hundred thirty-eight".