13947134256 has 160 divisors (see below), whose sum is σ = 45179251200. Its totient is φ = 4080625920.

The previous prime is 13947134231. The next prime is 13947134263. The reversal of 13947134256 is 65243174931.

13947134256 is a `hidden beast` number, since 1 + 394 + 7 + 1 + 3 + 4 + 256 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87205 + ... + 188411.

It is an arithmetic number, because the mean of its divisors is an integer number (282370320).

Almost surely, 2^13947134256 is an apocalyptic number.

13947134256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13947134256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22589625600).

13947134256 is an abundant number, since it is smaller than the sum of its proper divisors (31232116944).

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

13947134256 is a wasteful number, since it uses less digits than its factorization.

13947134256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101264 (or 101252 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The spelling of 13947134256 in words is "thirteen billion, nine hundred forty-seven million, one hundred thirty-four thousand, two hundred fifty-six".