13299539136 has 448 divisors, whose sum is σ = 42398899200. Its totient is φ = 3639803904.

The previous prime is 13299539087. The next prime is 13299539137. The reversal of 13299539136 is 63193599231.

It is not an unprimeable number, because it can be changed into a prime (13299539137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97076860 + ... + 97076996.

It is an arithmetic number, because the mean of its divisors is an integer number (94640400).

Almost surely, 2^13299539136 is an apocalyptic number.

13299539136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13299539136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21199449600).

13299539136 is an abundant number, since it is smaller than the sum of its proper divisors (29099360064).

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

13299539136 is a wasteful number, since it uses less digits than its factorization.

13299539136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 286 counting only the distinct ones).

The product of its digits is 1180980, while the sum is 51.

The spelling of 13299539136 in words is "thirteen billion, two hundred ninety-nine million, five hundred thirty-nine thousand, one hundred thirty-six".