130889568 has 24 divisors (see below), whose sum is σ = 343585368. Its totient is φ = 43629824.

The previous prime is 130889543. The next prime is 130889623. The reversal of 130889568 is 865988031.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×130889568² = 34264158022453248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681621 + ... + 681812.

It is an arithmetic number, because the mean of its divisors is an integer number (14316057).

Almost surely, 2^130889568 is an apocalyptic number.

It is an amenable number.

130889568 is an abundant number, since it is smaller than the sum of its proper divisors (212695800).

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

130889568 is a wasteful number, since it uses less digits than its factorization.

130889568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363446 (or 1363438 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 130889568 is about 11440.6978808113. The cubic root of 130889568 is about 507.7325560237.

The spelling of 130889568 in words is "one hundred thirty million, eight hundred eighty-nine thousand, five hundred sixty-eight".