5136831865764 has 81 divisors (see below), whose sum is σ = 13028053247937. Its totient is φ = 1706588479008.

The previous prime is 5136831865699. The next prime is 5136831865871. The reversal of 5136831865764 is 4675681386315.

The square root of 5136831865764 is 2266458.

It is a perfect power (a square), and thus also a powerful number.

5136831865764 is a `hidden beast` number, since 51 + 3 + 6 + 8 + 3 + 1 + 8 + 6 + 576 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3173492844900 + 1963339020864 = 1781430^2 + 1401192^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6785774874 + ... + 6785775630.

Almost surely, 2^{5136831865764} is an apocalyptic number.

5136831865764 is the 2266458-th square number.

It is an amenable number.

5136831865764 is an abundant number, since it is smaller than the sum of its proper divisors (7891221382173).

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

5136831865764 is an frugal number, since it uses more digits than its factorization.

5136831865764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522 (or 1261 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 5136831865764 in words is "five trillion, one hundred thirty-six billion, eight hundred thirty-one million, eight hundred sixty-five thousand, seven hundred sixty-four".