13117705136 has 20 divisors (see below), whose sum is σ = 25509346464. Its totient is φ = 6534648000.

The previous prime is 13117705109. The next prime is 13117705141. The reversal of 13117705136 is 63150771131.

It is a junction number, because it is equal to n+sod(n) for n = 13117705096 and 13117705105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1508315 + ... + 1516986.

Almost surely, 2^13117705136 is an apocalyptic number.

13117705136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13117705136 is a deficient number, since it is larger than the sum of its proper divisors (12391641328).

13117705136 is a wasteful number, since it uses less digits than its factorization.

13117705136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025580 (or 3025574 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 35.

The spelling of 13117705136 in words is "thirteen billion, one hundred seventeen million, seven hundred five thousand, one hundred thirty-six".