130320872 has 32 divisors (see below), whose sum is σ = 268790400. Its totient is φ = 59231920.

The previous prime is 130320871. The next prime is 130320881. The reversal of 130320872 is 278023031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130320871) 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 7 ways as a sum of consecutive naturals, for example, 4529 + ... + 16767.

It is an arithmetic number, because the mean of its divisors is an integer number (8399700).

Almost surely, 2^130320872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130320872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134395200).

130320872 is an abundant number, since it is smaller than the sum of its proper divisors (138469528).

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

130320872 is a wasteful number, since it uses less digits than its factorization.

130320872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12278 (or 12252 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 130320872 is about 11415.8167469524. The cubic root of 130320872 is about 506.9961472682.

The spelling of 130320872 in words is "one hundred thirty million, three hundred twenty thousand, eight hundred seventy-two".