5136508656 has 120 divisors (see below), whose sum is σ = 15299382384. Its totient is φ = 1603123200.

The previous prime is 5136508591. The next prime is 5136508669. The reversal of 5136508656 is 6568056315.

5136508656 is a `hidden beast` number, since 5 + 136 + 508 + 6 + 5 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 476931 + ... + 487581.

Almost surely, 2^5136508656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5136508656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7649691192).

5136508656 is an abundant number, since it is smaller than the sum of its proper divisors (10162873728).

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

5136508656 is a wasteful number, since it uses less digits than its factorization.

5136508656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10879 (or 10870 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 5136508656 is about 71669.4401819911. The cubic root of 5136508656 is about 1725.3982032188.

The spelling of 5136508656 in words is "five billion, one hundred thirty-six million, five hundred eight thousand, six hundred fifty-six".