130433880 has 128 divisors (see below), whose sum is σ = 416145600. Its totient is φ = 32643072.

The previous prime is 130433867. The next prime is 130433881. The reversal of 130433880 is 88334031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130433881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128254 + ... + 129266.

Almost surely, 2^130433880 is an apocalyptic number.

130433880 is a gapful number since it is divisible by the number (10) 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 130433880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208072800).

130433880 is an abundant number, since it is smaller than the sum of its proper divisors (285711720).

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

130433880 is a wasteful number, since it uses less digits than its factorization.

130433880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 130433880 is about 11420.7652983502. The cubic root of 130433880 is about 507.1426524971.

The spelling of 130433880 in words is "one hundred thirty million, four hundred thirty-three thousand, eight hundred eighty".