13139651332 has 6 divisors (see below), whose sum is σ = 22994389838. Its totient is φ = 6569825664.

The previous prime is 13139651309. The next prime is 13139651363. The reversal of 13139651332 is 23315693131.

It can be written as a sum of positive squares in only one way, i.e., 11040545476 + 2099105856 = 105074^2 + 45816^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13139651291 and 13139651300.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1642456413 + ... + 1642456420.

Almost surely, 2^13139651332 is an apocalyptic number.

It is an amenable number.

13139651332 is a deficient number, since it is larger than the sum of its proper divisors (9854738506).

13139651332 is a wasteful number, since it uses less digits than its factorization.

13139651332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284912837 (or 3284912835 counting only the distinct ones).

The product of its digits is 43740, while the sum is 37.

The spelling of 13139651332 in words is "thirteen billion, one hundred thirty-nine million, six hundred fifty-one thousand, three hundred thirty-two".