13132439432 has 24 divisors (see below), whose sum is σ = 28643459310. Its totient is φ = 5628188160.

The previous prime is 13132439423. The next prime is 13132439443. The reversal of 13132439432 is 23493423131.

It can be written as a sum of positive squares in only one way, i.e., 9573839716 + 3558599716 = 97846^2 + 59654^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13132439392 and 13132439401.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16750169 + ... + 16750952.

Almost surely, 2^13132439432 is an apocalyptic number.

It is an amenable number.

13132439432 is an abundant number, since it is smaller than the sum of its proper divisors (15511019878).

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

13132439432 is a wasteful number, since it uses less digits than its factorization.

13132439432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33501141 (or 33501130 counting only the distinct ones).

The product of its digits is 46656, while the sum is 35.

The spelling of 13132439432 in words is "thirteen billion, one hundred thirty-two million, four hundred thirty-nine thousand, four hundred thirty-two".