2136318517 has 16 divisors (see below), whose sum is σ = 2189745792. Its totient is φ = 2083656960.

The previous prime is 2136318511. The next prime is 2136318533. The reversal of 2136318517 is 7158136312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2136318517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136318511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4386448 + ... + 4386934.

It is an arithmetic number, because the mean of its divisors is an integer number (136859112).

Almost surely, 2^2136318517 is an apocalyptic number.

It is an amenable number.

2136318517 is a deficient number, since it is larger than the sum of its proper divisors (53427275).

2136318517 is a wasteful number, since it uses less digits than its factorization.

2136318517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068.

The product of its digits is 30240, while the sum is 37.

The square root of 2136318517 is about 46220.3257993710. The cubic root of 2136318517 is about 1287.9193502750.

The spelling of 2136318517 in words is "two billion, one hundred thirty-six million, three hundred eighteen thousand, five hundred seventeen".