13504089228 has 48 divisors (see below), whose sum is σ = 36019812864. Its totient is φ = 3857356800.

The previous prime is 13504089223. The next prime is 13504089239. The reversal of 13504089228 is 82298040531.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13504089228.

It is not an unprimeable number, because it can be changed into a prime (13504089223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366028 + ... + 401228.

It is an arithmetic number, because the mean of its divisors is an integer number (750412768).

Almost surely, 2^13504089228 is an apocalyptic number.

It is an amenable number.

13504089228 is an abundant number, since it is smaller than the sum of its proper divisors (22515723636).

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

13504089228 is a wasteful number, since it uses less digits than its factorization.

13504089228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39782 (or 39780 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 13504089228 in words is "thirteen billion, five hundred four million, eighty-nine thousand, two hundred twenty-eight".