13564781230 has 144 divisors (see below), whose sum is σ = 33623251200. Its totient is φ = 3902532480.

The previous prime is 13564781221. The next prime is 13564781239. The reversal of 13564781230 is 3218746531.

It is an interprime number because it is at equal distance from previous prime (13564781221) and next prime (13564781239).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13564781239) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 761971 + ... + 779569.

It is an arithmetic number, because the mean of its divisors is an integer number (233494800).

Almost surely, 2^13564781230 is an apocalyptic number.

13564781230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13564781230 is an abundant number, since it is smaller than the sum of its proper divisors (20058469970).

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

13564781230 is a wasteful number, since it uses less digits than its factorization.

13564781230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17655 (or 17637 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 13564781230 in words is "thirteen billion, five hundred sixty-four million, seven hundred eighty-one thousand, two hundred thirty".