130008732 has 24 divisors (see below), whose sum is σ = 346690176. Its totient is φ = 37145328.

The previous prime is 130008709. The next prime is 130008733. The reversal of 130008732 is 237800031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130008733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773778 + ... + 773945.

It is an arithmetic number, because the mean of its divisors is an integer number (14445424).

Almost surely, 2^130008732 is an apocalyptic number.

130008732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130008732 is an abundant number, since it is smaller than the sum of its proper divisors (216681444).

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

130008732 is a wasteful number, since it uses less digits than its factorization.

130008732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547737 (or 1547735 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 130008732 is about 11402.1371680927. The cubic root of 130008732 is about 506.5910438458.

Adding to 130008732 its reverse (237800031), we get a palindrome (367808763).

The spelling of 130008732 in words is "one hundred thirty million, eight thousand, seven hundred thirty-two".