13937147856 has 30 divisors (see below), whose sum is σ = 39004657250. Its totient is φ = 4645715904.

The previous prime is 13937147837. The next prime is 13937147857. The reversal of 13937147856 is 65874173931.

13937147856 is a `hidden beast` number, since 13 + 93 + 71 + 478 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7635963456 + 6301184400 = 87384^2 + 79380^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13937147857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48392731 + ... + 48393018.

Almost surely, 2^13937147856 is an apocalyptic number.

13937147856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13937147856 is an abundant number, since it is smaller than the sum of its proper divisors (25067509394).

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

13937147856 is a wasteful number, since it uses less digits than its factorization.

13937147856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96785763 (or 96785754 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The spelling of 13937147856 in words is "thirteen billion, nine hundred thirty-seven million, one hundred forty-seven thousand, eight hundred fifty-six".