138675604 has 12 divisors (see below), whose sum is σ = 255455200. Its totient is φ = 65688408.

The previous prime is 138675601. The next prime is 138675629. The reversal of 138675604 is 406576831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138675601) 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, 912264 + ... + 912415.

Almost surely, 2^138675604 is an apocalyptic number.

It is an amenable number.

138675604 is a deficient number, since it is larger than the sum of its proper divisors (116779596).

138675604 is a wasteful number, since it uses less digits than its factorization.

138675604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824702 (or 1824700 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 138675604 is about 11776.0606316374. The cubic root of 138675604 is about 517.6068582184.

The spelling of 138675604 in words is "one hundred thirty-eight million, six hundred seventy-five thousand, six hundred four".