13397136515 has 32 divisors (see below), whose sum is σ = 18488808960. Its totient is φ = 9129003264.

The previous prime is 13397136499. The next prime is 13397136523. The reversal of 13397136515 is 51563179331.

It is a Cunningham number, because it is equal to 115746²-1.

It is a cyclic number.

It is not a de Polignac number, because 13397136515 - 2⁴ = 13397136499 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4049492 + ... + 4052798.

It is an arithmetic number, because the mean of its divisors is an integer number (577775280).

Almost surely, 2^13397136515 is an apocalyptic number.

13397136515 is a deficient number, since it is larger than the sum of its proper divisors (5091672445).

13397136515 is a wasteful number, since it uses less digits than its factorization.

13397136515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011.

The product of its digits is 255150, while the sum is 44.

The spelling of 13397136515 in words is "thirteen billion, three hundred ninety-seven million, one hundred thirty-six thousand, five hundred fifteen".