13140602792 has 8 divisors (see below), whose sum is σ = 24638630250. Its totient is φ = 6570301392.

The previous prime is 13140602743. The next prime is 13140602933. The reversal of 13140602792 is 29720604131.

It can be written as a sum of positive squares in only one way, i.e., 7200201316 + 5940401476 = 84854^2 + 77074^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 821287667 + ... + 821287682.

Almost surely, 2^13140602792 is an apocalyptic number.

It is an amenable number.

13140602792 is a deficient number, since it is larger than the sum of its proper divisors (11498027458).

13140602792 is a wasteful number, since it uses less digits than its factorization.

13140602792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642575355 (or 1642575351 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 13140602792 in words is "thirteen billion, one hundred forty million, six hundred two thousand, seven hundred ninety-two".