13228924136 has 24 divisors (see below), whose sum is σ = 26349137670. Its totient is φ = 6225374976.

The previous prime is 13228924109. The next prime is 13228924151. The reversal of 13228924136 is 63142982231.

It can be written as a sum of positive squares in 3 ways, for example, as 13094224900 + 134699236 = 114430^2 + 11606^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13228924093 and 13228924102.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2858615 + ... + 2863238.

Almost surely, 2^13228924136 is an apocalyptic number.

It is an amenable number.

13228924136 is a deficient number, since it is larger than the sum of its proper divisors (13120213534).

13228924136 is a wasteful number, since it uses less digits than its factorization.

13228924136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5721893 (or 5721872 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The spelling of 13228924136 in words is "thirteen billion, two hundred twenty-eight million, nine hundred twenty-four thousand, one hundred thirty-six".