13415926140 has 72 divisors (see below), whose sum is σ = 40762350720. Its totient is φ = 3571657344.

The previous prime is 13415926133. The next prime is 13415926157. The reversal of 13415926140 is 4162951431.

It is a happy number.

13415926140 is a `hidden beast` number, since 1 + 3 + 4 + 1 + 592 + 61 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13415926095 and 13415926104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47866 + ... + 170654.

It is an arithmetic number, because the mean of its divisors is an integer number (566143760).

Almost surely, 2^13415926140 is an apocalyptic number.

13415926140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13415926140 is an abundant number, since it is smaller than the sum of its proper divisors (27346424580).

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

13415926140 is a wasteful number, since it uses less digits than its factorization.

13415926140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123411 (or 123406 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 13415926140 in words is "thirteen billion, four hundred fifteen million, nine hundred twenty-six thousand, one hundred forty".