138174532 has 12 divisors (see below), whose sum is σ = 242045440. Its totient is φ = 69018696.

The previous prime is 138174511. The next prime is 138174541. The reversal of 138174532 is 235471831.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12468 + ... + 20779.

Almost surely, 2^138174532 is an apocalyptic number.

It is an amenable number.

138174532 is a deficient number, since it is larger than the sum of its proper divisors (103870908).

138174532 is a wasteful number, since it uses less digits than its factorization.

138174532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34290 (or 34288 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 138174532 is about 11754.7663524206. The cubic root of 138174532 is about 516.9826885695.

The spelling of 138174532 in words is "one hundred thirty-eight million, one hundred seventy-four thousand, five hundred thirty-two".