130940832 has 48 divisors (see below), whose sum is σ = 374969952. Its totient is φ = 39678720.

The previous prime is 130940813. The next prime is 130940833. The reversal of 130940832 is 238049031.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 130940832.

It is not an unprimeable number, because it can be changed into a prime (130940833) 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, 60943 + ... + 63054.

It is an arithmetic number, because the mean of its divisors is an integer number (7811874).

Almost surely, 2^130940832 is an apocalyptic number.

130940832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130940832 is an abundant number, since it is smaller than the sum of its proper divisors (244029120).

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

130940832 is a wasteful number, since it uses less digits than its factorization.

130940832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124021 (or 124013 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 130940832 is about 11442.9380842509. The cubic root of 130940832 is about 507.7988332802.

Adding to 130940832 its reverse (238049031), we get a palindrome (368989863).

The spelling of 130940832 in words is "one hundred thirty million, nine hundred forty thousand, eight hundred thirty-two".