130252432 has 20 divisors (see below), whose sum is σ = 259185916. Its totient is φ = 63365760.

The previous prime is 130252399. The next prime is 130252433. The reversal of 130252432 is 234252031.

It can be written as a sum of positive squares in 2 ways, for example, as 109495296 + 20757136 = 10464^2 + 4556^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130252433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109419 + ... + 110602.

Almost surely, 2^130252432 is an apocalyptic number.

It is an amenable number.

130252432 is a deficient number, since it is larger than the sum of its proper divisors (128933484).

130252432 is a wasteful number, since it uses less digits than its factorization.

130252432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220066 (or 220060 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 130252432 is about 11412.8187578705. The cubic root of 130252432 is about 506.9073794657.

The spelling of 130252432 in words is "one hundred thirty million, two hundred fifty-two thousand, four hundred thirty-two".