13813375136 has 48 divisors (see below), whose sum is σ = 31228817760. Its totient is φ = 5948340480.

The previous prime is 13813375129. The next prime is 13813375139. The reversal of 13813375136 is 63157331831.

It is a junction number, because it is equal to n+sod(n) for n = 13813375093 and 13813375102.

It is not an unprimeable number, because it can be changed into a prime (13813375139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026011 + ... + 1039386.

It is an arithmetic number, because the mean of its divisors is an integer number (650600370).

Almost surely, 2^13813375136 is an apocalyptic number.

13813375136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13813375136 is an abundant number, since it is smaller than the sum of its proper divisors (17415442624).

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

13813375136 is a wasteful number, since it uses less digits than its factorization.

13813375136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065437 (or 2065429 counting only the distinct ones).

The product of its digits is 136080, while the sum is 41.

The spelling of 13813375136 in words is "thirteen billion, eight hundred thirteen million, three hundred seventy-five thousand, one hundred thirty-six".