13525699137 has 16 divisors (see below), whose sum is σ = 19098574272. Its totient is φ = 8485171200.

The previous prime is 13525699129. The next prime is 13525699139. The reversal of 13525699137 is 73199652531.

It is not a de Polignac number, because 13525699137 - 2³ = 13525699129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 13525699137.

It is not an unprimeable number, because it can be changed into a prime (13525699139) 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, 302262 + ... + 344112.

It is an arithmetic number, because the mean of its divisors is an integer number (1193660892).

Almost surely, 2^13525699137 is an apocalyptic number.

13525699137 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13525699137 is a deficient number, since it is larger than the sum of its proper divisors (5572875135).

13525699137 is a wasteful number, since it uses less digits than its factorization.

13525699137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48208.

The product of its digits is 1530900, while the sum is 51.

The spelling of 13525699137 in words is "thirteen billion, five hundred twenty-five million, six hundred ninety-nine thousand, one hundred thirty-seven".