13326197136 has 80 divisors (see below), whose sum is σ = 39818118144. Its totient is φ = 3761603712.

The previous prime is 13326197119. The next prime is 13326197147. The reversal of 13326197136 is 63179162331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 211036 + ... + 266811.

Almost surely, 2^13326197136 is an apocalyptic number.

13326197136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13326197136 is an abundant number, since it is smaller than the sum of its proper divisors (26491921008).

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

13326197136 is a wasteful number, since it uses less digits than its factorization.

13326197136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477948 (or 477942 counting only the distinct ones).

The product of its digits is 122472, while the sum is 42.

The spelling of 13326197136 in words is "thirteen billion, three hundred twenty-six million, one hundred ninety-seven thousand, one hundred thirty-six".