138107184 has 40 divisors (see below), whose sum is σ = 377766000. Its totient is φ = 43327488.

The previous prime is 138107173. The next prime is 138107191. The reversal of 138107184 is 481701831.

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, 83809 + ... + 85440.

It is an arithmetic number, because the mean of its divisors is an integer number (9444150).

Almost surely, 2^138107184 is an apocalyptic number.

It is an amenable number.

138107184 is an abundant number, since it is smaller than the sum of its proper divisors (239658816).

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

138107184 is a wasteful number, since it uses less digits than its factorization.

138107184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169277 (or 169271 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 138107184 is about 11751.9012929823. The cubic root of 138107184 is about 516.8986803036.

The spelling of 138107184 in words is "one hundred thirty-eight million, one hundred seven thousand, one hundred eighty-four".