138365174 has 8 divisors (see below), whose sum is σ = 208623720. Its totient is φ = 68823936.

The previous prime is 138365173. The next prime is 138365189. The reversal of 138365174 is 471563831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138365173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178844 + ... + 179615.

It is an arithmetic number, because the mean of its divisors is an integer number (26077965).

Almost surely, 2^138365174 is an apocalyptic number.

138365174 is a deficient number, since it is larger than the sum of its proper divisors (70258546).

138365174 is a wasteful number, since it uses less digits than its factorization.

138365174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358654.

The product of its digits is 60480, while the sum is 38.

The square root of 138365174 is about 11762.8726933517. The cubic root of 138365174 is about 517.2203428832.

The spelling of 138365174 in words is "one hundred thirty-eight million, three hundred sixty-five thousand, one hundred seventy-four".