13947107252 has 12 divisors (see below), whose sum is σ = 26284932996. Its totient is φ = 6437126400.

The previous prime is 13947107243. The next prime is 13947107281. The reversal of 13947107252 is 25270174931.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9054664336 + 4892442916 = 95156^2 + 69946^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134106749 + ... + 134106852.

It is an arithmetic number, because the mean of its divisors is an integer number (2190411083).

Almost surely, 2^13947107252 is an apocalyptic number.

It is an amenable number.

13947107252 is a deficient number, since it is larger than the sum of its proper divisors (12337825744).

13947107252 is a wasteful number, since it uses less digits than its factorization.

13947107252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268213618 (or 268213616 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 13947107252 in words is "thirteen billion, nine hundred forty-seven million, one hundred seven thousand, two hundred fifty-two".