8136925656 has 24 divisors (see below), whose sum is σ = 20343418980. Its totient is φ = 2712161248.

The previous prime is 8136925639. The next prime is 8136925669. The reversal of 8136925656 is 6565296318.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 8136925599 and 8136925608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 432706 + ... + 451118.

Almost surely, 2^8136925656 is an apocalyptic number.

It is an amenable number.

8136925656 is an abundant number, since it is smaller than the sum of its proper divisors (12206493324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8136925656 is an frugal number, since it uses more digits than its factorization.

8136925656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36835 (or 18418 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 51.

The square root of 8136925656 is about 90204.9092677333. The cubic root of 8136925656 is about 2011.3459839422.

The spelling of 8136925656 in words is "eight billion, one hundred thirty-six million, nine hundred twenty-five thousand, six hundred fifty-six".