138076975 has 36 divisors (see below), whose sum is σ = 188436600. Its totient is φ = 100226560.

The previous prime is 138076943. The next prime is 138076987. The reversal of 138076975 is 579670831.

It is not a de Polignac number, because 138076975 - 2⁵ = 138076943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 209196 + ... + 209854.

It is an arithmetic number, because the mean of its divisors is an integer number (5234350).

Almost surely, 2^138076975 is an apocalyptic number.

138076975 is a deficient number, since it is larger than the sum of its proper divisors (50359625).

138076975 is a wasteful number, since it uses less digits than its factorization.

138076975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 138076975 is about 11750.6159413028. The cubic root of 138076975 is about 516.8609894549.

The spelling of 138076975 in words is "one hundred thirty-eight million, seventy-six thousand, nine hundred seventy-five".