5136145644520 has 64 divisors (see below), whose sum is σ = 12609315878400. Its totient is φ = 1867331854080.

The previous prime is 5136145644517. The next prime is 5136145644533. The reversal of 5136145644520 is 254465416315.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1189801 + ... + 3418759.

It is an arithmetic number, because the mean of its divisors is an integer number (197020560600).

Almost surely, 2^{5136145644520} is an apocalyptic number.

It is an amenable number.

5136145644520 is an abundant number, since it is smaller than the sum of its proper divisors (7473170233880).

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

5136145644520 is a wasteful number, since it uses less digits than its factorization.

5136145644520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234218 (or 2234214 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 5136145644520 in words is "five trillion, one hundred thirty-six billion, one hundred forty-five million, six hundred forty-four thousand, five hundred twenty".