13243307136 has 64 divisors (see below), whose sum is σ = 36312326400. Its totient is φ = 4272030720.

The previous prime is 13243307113. The next prime is 13243307221. The reversal of 13243307136 is 63170334231.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 13243307097 and 13243307106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544351 + ... + 568158.

It is an arithmetic number, because the mean of its divisors is an integer number (567380100).

Almost surely, 2^13243307136 is an apocalyptic number.

13243307136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13243307136 is an abundant number, since it is smaller than the sum of its proper divisors (23069019264).

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

13243307136 is a wasteful number, since it uses less digits than its factorization.

13243307136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112557 (or 1112545 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

The spelling of 13243307136 in words is "thirteen billion, two hundred forty-three million, three hundred seven thousand, one hundred thirty-six".