184157138 has 32 divisors (see below), whose sum is σ = 309123648. Its totient is φ = 81576000.

The previous prime is 184157111. The next prime is 184157153. The reversal of 184157138 is 831751481.

It is a happy number.

184157138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148256 + ... + 149492.

It is an arithmetic number, because the mean of its divisors is an integer number (9660114).

Almost surely, 2^184157138 is an apocalyptic number.

184157138 is a deficient number, since it is larger than the sum of its proper divisors (124966510).

184157138 is a wasteful number, since it uses less digits than its factorization.

With its successor (184157139) it forms an eRAP, since the sums of their prime factors are consecutive (1418 and 1419).

184157138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418.

The product of its digits is 26880, while the sum is 38.

The square root of 184157138 is about 13570.4509136580. The cubic root of 184157138 is about 568.9352627879.

The spelling of 184157138 in words is "one hundred eighty-four million, one hundred fifty-seven thousand, one hundred thirty-eight".