5136361578 has 32 divisors (see below), whose sum is σ = 11429305920. Its totient is φ = 1709845200.

The previous prime is 5136361537. The next prime is 5136361609. The reversal of 5136361578 is 8751636315.

5136361578 is a `hidden beast` number, since 5 + 1 + 3 + 636 + 1 + 5 + 7 + 8 = 666.

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, 21948 + ... + 103703.

It is an arithmetic number, because the mean of its divisors is an integer number (357165810).

Almost surely, 2^5136361578 is an apocalyptic number.

5136361578 is an abundant number, since it is smaller than the sum of its proper divisors (6292944342).

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

5136361578 is a wasteful number, since it uses less digits than its factorization.

5136361578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126419 (or 126413 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 5136361578 is about 71668.4140887741. The cubic root of 5136361578 is about 1725.3817347992.

The spelling of 5136361578 in words is "five billion, one hundred thirty-six million, three hundred sixty-one thousand, five hundred seventy-eight".