130909032 has 96 divisors (see below), whose sum is σ = 370656000. Its totient is φ = 41690880.

The previous prime is 130909007. The next prime is 130909033. The reversal of 130909032 is 230909031.

It is a junction number, because it is equal to n+sod(n) for n = 130908987 and 130909005.

It is not an unprimeable number, because it can be changed into a prime (130909033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198319 + ... + 198977.

It is an arithmetic number, because the mean of its divisors is an integer number (3861000).

Almost surely, 2^130909032 is an apocalyptic number.

130909032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130909032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185328000).

130909032 is an abundant number, since it is smaller than the sum of its proper divisors (239746968).

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

130909032 is a wasteful number, since it uses less digits than its factorization.

130909032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 130909032 is about 11441.5484965978. The cubic root of 130909032 is about 507.7577223192.

Subtracting 130909032 from its reverse (230909031), we obtain a palindrome (99999999).

It can be divided in two parts, 13090 and 9032, that added together give a palindrome (22122).

The spelling of 130909032 in words is "one hundred thirty million, nine hundred nine thousand, thirty-two".