5391640125 has 128 divisors (see below), whose sum is σ = 10650931200. Its totient is φ = 2685312000.

The previous prime is 5391640091. The next prime is 5391640139. The reversal of 5391640125 is 5210461935.

5391640125 is a `hidden beast` number, since 5 + 3 + 9 + 1 + 640 + 1 + 2 + 5 = 666.

It is not a de Polignac number, because 5391640125 - 2⁶ = 5391640061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5391640125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3033237 + ... + 3035013.

It is an arithmetic number, because the mean of its divisors is an integer number (83210400).

Almost surely, 2^5391640125 is an apocalyptic number.

It is an amenable number.

5391640125 is a deficient number, since it is larger than the sum of its proper divisors (5259291075).

5391640125 is a wasteful number, since it uses less digits than its factorization.

5391640125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861 (or 1845 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 5391640125 is about 73427.7885068044. The cubic root of 5391640125 is about 1753.5048263355.

The spelling of 5391640125 in words is "five billion, three hundred ninety-one million, six hundred forty thousand, one hundred twenty-five".