136865975 has 12 divisors (see below), whose sum is σ = 169858920. Its totient is φ = 109399200.

The previous prime is 136865969. The next prime is 136865983. The reversal of 136865975 is 579568631.

It is a happy number.

It is not a de Polignac number, because 136865975 - 2⁸ = 136865719 is a prime.

It is a super-2 number, since 2×136865975² = 37464590225401250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56540 + ... + 58910.

It is an arithmetic number, because the mean of its divisors is an integer number (14154910).

Almost surely, 2^136865975 is an apocalyptic number.

136865975 is a deficient number, since it is larger than the sum of its proper divisors (32992945).

136865975 is a wasteful number, since it uses less digits than its factorization.

136865975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4690 (or 4685 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 50.

The square root of 136865975 is about 11698.9732455460. The cubic root of 136865975 is about 515.3455123242.

The spelling of 136865975 in words is "one hundred thirty-six million, eight hundred sixty-five thousand, nine hundred seventy-five".