130043432 has 16 divisors (see below), whose sum is σ = 245181300. Its totient is φ = 64661760.

The previous prime is 130043423. The next prime is 130043479. The reversal of 130043432 is 234340031.

It can be written as a sum of positive squares in 2 ways, for example, as 129185956 + 857476 = 11366^2 + 926^2 .

It is a super-2 number, since 2×130043432² = 33822588412677248, which contains 22 as substring.

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, 43457 + ... + 46352.

Almost surely, 2^130043432 is an apocalyptic number.

It is an amenable number.

130043432 is a deficient number, since it is larger than the sum of its proper divisors (115137868).

130043432 is a wasteful number, since it uses less digits than its factorization.

130043432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89996 (or 89992 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 130043432 is about 11403.6587111330. The cubic root of 130043432 is about 506.6361104226.

Adding to 130043432 its reverse (234340031), we get a palindrome (364383463).

The spelling of 130043432 in words is "one hundred thirty million, forty-three thousand, four hundred thirty-two".