125368136 has 16 divisors (see below), whose sum is σ = 241418940. Its totient is φ = 60989760.

The previous prime is 125368121. The next prime is 125368141. The reversal of 125368136 is 631863521.

It can be written as a sum of positive squares in 2 ways, for example, as 125305636 + 62500 = 11194^2 + 250^2 .

It is a super-2 number, since 2×125368136² = 31434339048228992, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 125368096 and 125368105.

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, 211475 + ... + 212066.

Almost surely, 2^125368136 is an apocalyptic number.

It is an amenable number.

125368136 is a deficient number, since it is larger than the sum of its proper divisors (116050804).

125368136 is a wasteful number, since it uses less digits than its factorization.

125368136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423584 (or 423580 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 125368136 is about 11196.7913260898. The cubic root of 125368136 is about 500.4903669233.

The spelling of 125368136 in words is "one hundred twenty-five million, three hundred sixty-eight thousand, one hundred thirty-six".