1932138456 has 32 divisors (see below), whose sum is σ = 4996911600. Its totient is φ = 621837440.

The previous prime is 1932138413. The next prime is 1932138473. The reversal of 1932138456 is 6548312391.

1932138456 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1387335 + ... + 1388726.

Almost surely, 2^1932138456 is an apocalyptic number.

It is an amenable number.

1932138456 is an abundant number, since it is smaller than the sum of its proper divisors (3064773144).

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

1932138456 is a wasteful number, since it uses less digits than its factorization.

1932138456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776099 (or 2776095 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 1932138456 is about 43956.0969149901. The cubic root of 1932138456 is about 1245.5067384466.

The spelling of 1932138456 in words is "one billion, nine hundred thirty-two million, one hundred thirty-eight thousand, four hundred fifty-six".