132644431922 has 18 divisors (see below), whose sum is σ = 208012067613. Its totient is φ = 63432975672.

The previous prime is 132644431919. The next prime is 132644431937. The reversal of 132644431922 is 229134446231.

It can be written as a sum of positive squares in 2 ways, for example, as 122107614721 + 10536817201 = 349439^2 + 102649^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=257531.

It is a super-2 number, since 2×132644431922² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132644431922.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11840828 + ... + 11852024.

Almost surely, 2^132644431922 is an apocalyptic number.

132644431922 is a deficient number, since it is larger than the sum of its proper divisors (75367635691).

132644431922 is an frugal number, since it uses more digits than its factorization.

132644431922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22442 (or 11222 counting only the distinct ones).

The product of its digits is 248832, while the sum is 41.

The spelling of 132644431922 in words is "one hundred thirty-two billion, six hundred forty-four million, four hundred thirty-one thousand, nine hundred twenty-two".