130052432 has 20 divisors (see below), whose sum is σ = 252183636. Its totient is φ = 64972800.

The previous prime is 130052423. The next prime is 130052449. The reversal of 130052432 is 234250031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 128504896 + 1547536 = 11336^2 + 1244^2 .

It is a super-2 number, since 2×130052432² = 33827270138229248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23078 + ... + 28154.

Almost surely, 2^130052432 is an apocalyptic number.

It is an amenable number.

130052432 is a deficient number, since it is larger than the sum of its proper divisors (122131204).

130052432 is a wasteful number, since it uses less digits than its factorization.

130052432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6686 (or 6680 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 130052432 is about 11404.0533145018. The cubic root of 130052432 is about 506.6477978507.

The spelling of 130052432 in words is "one hundred thirty million, fifty-two thousand, four hundred thirty-two".