138192574 has 8 divisors (see below), whose sum is σ = 223234200. Its totient is φ = 63781176.

The previous prime is 138192557. The next prime is 138192589. The reversal of 138192574 is 475291831.

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

It is a congruent number.

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, 2657524 + ... + 2657575.

It is an arithmetic number, because the mean of its divisors is an integer number (27904275).

Almost surely, 2^138192574 is an apocalyptic number.

138192574 is a deficient number, since it is larger than the sum of its proper divisors (85041626).

138192574 is a wasteful number, since it uses less digits than its factorization.

138192574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5315114.

The product of its digits is 60480, while the sum is 40.

The square root of 138192574 is about 11755.5337607443. The cubic root of 138192574 is about 517.0051890878.

The spelling of 138192574 in words is "one hundred thirty-eight million, one hundred ninety-two thousand, five hundred seventy-four".