13932728436 has 72 divisors (see below), whose sum is σ = 36699722080. Its totient is φ = 4107913920.

The previous prime is 13932728431. The next prime is 13932728449. The reversal of 13932728436 is 63482723931.

13932728436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13932728431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75946 + ... + 183393.

Almost surely, 2^13932728436 is an apocalyptic number.

It is an amenable number.

13932728436 is an abundant number, since it is smaller than the sum of its proper divisors (22766993644).

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

13932728436 is a wasteful number, since it uses less digits than its factorization.

13932728436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259405 (or 259392 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 48.

The spelling of 13932728436 in words is "thirteen billion, nine hundred thirty-two million, seven hundred twenty-eight thousand, four hundred thirty-six".