13137695985 has 16 divisors (see below), whose sum is σ = 21022876800. Its totient is φ = 7005916800.

The previous prime is 13137695881. The next prime is 13137696001. The reversal of 13137695985 is 58959673131.

It is not a de Polignac number, because 13137695985 - 2²² = 13133501681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85341 + ... + 183189.

It is an arithmetic number, because the mean of its divisors is an integer number (1313929800).

Almost surely, 2^13137695985 is an apocalyptic number.

13137695985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13137695985 is a deficient number, since it is larger than the sum of its proper divisors (7885180815).

13137695985 is an equidigital number, since it uses as much as digits as its factorization.

13137695985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106808.

The product of its digits is 6123600, while the sum is 57.

The spelling of 13137695985 in words is "thirteen billion, one hundred thirty-seven million, six hundred ninety-five thousand, nine hundred eighty-five".