13731495660 has 36 divisors (see below), whose sum is σ = 41652204048. Its totient is φ = 3661732128.

The previous prime is 13731495653. The next prime is 13731495671. The reversal of 13731495660 is 6659413731.

It is a happy number.

13731495660 is a `hidden beast` number, since 1 + 3 + 73 + 14 + 9 + 566 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38142864 + ... + 38143223.

It is an arithmetic number, because the mean of its divisors is an integer number (1157005668).

Almost surely, 2^13731495660 is an apocalyptic number.

13731495660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13731495660 is an abundant number, since it is smaller than the sum of its proper divisors (27920708388).

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

13731495660 is a wasteful number, since it uses less digits than its factorization.

13731495660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76286102 (or 76286097 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 13731495660 in words is "thirteen billion, seven hundred thirty-one million, four hundred ninety-five thousand, six hundred sixty".