13140971168 has 48 divisors (see below), whose sum is σ = 29500306920. Its totient is φ = 5708292096.

The previous prime is 13140971143. The next prime is 13140971189. The reversal of 13140971168 is 86117904131.

It can be written as a sum of positive squares in 4 ways, for example, as 13090105744 + 50865424 = 114412^2 + 7132^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922013 + ... + 936156.

Almost surely, 2^13140971168 is an apocalyptic number.

It is an amenable number.

13140971168 is an abundant number, since it is smaller than the sum of its proper divisors (16359335752).

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

13140971168 is a wasteful number, since it uses less digits than its factorization.

13140971168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858209 (or 1858201 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 13140971168 in words is "thirteen billion, one hundred forty million, nine hundred seventy-one thousand, one hundred sixty-eight".