182138188 has 24 divisors (see below), whose sum is σ = 323813952. Its totient is φ = 89628624.

The previous prime is 182138179. The next prime is 182138191. The reversal of 182138188 is 881831281.

It is a self number, because there is not a number n which added to its sum of digits gives 182138188.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101031 + ... + 102817.

It is an arithmetic number, because the mean of its divisors is an integer number (13492248).

Almost surely, 2^182138188 is an apocalyptic number.

It is an amenable number.

182138188 is a deficient number, since it is larger than the sum of its proper divisors (141675764).

182138188 is a wasteful number, since it uses less digits than its factorization.

182138188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181 (or 2179 counting only the distinct ones).

The product of its digits is 24576, while the sum is 40.

The square root of 182138188 is about 13495.8581794564. The cubic root of 182138188 is about 566.8485028136.

The spelling of 182138188 in words is "one hundred eighty-two million, one hundred thirty-eight thousand, one hundred eighty-eight".