130999552 has 72 divisors (see below), whose sum is σ = 286094592. Its totient is φ = 59596800.

The previous prime is 130999523. The next prime is 130999601. The reversal of 130999552 is 255999031.

It is a junction number, because it is equal to n+sod(n) for n = 130999499 and 130999508.

It is a congruent number.

It is an unprimeable number.

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, 134427 + ... + 135397.

It is an arithmetic number, because the mean of its divisors is an integer number (3973536).

Almost surely, 2^130999552 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 130999552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143047296).

130999552 is an abundant number, since it is smaller than the sum of its proper divisors (155095040).

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

130999552 is an equidigital number, since it uses as much as digits as its factorization.

130999552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 109350, while the sum is 43.

The square root of 130999552 is about 11445.5035712720. The cubic root of 130999552 is about 507.8747288606.

The spelling of 130999552 in words is "one hundred thirty million, nine hundred ninety-nine thousand, five hundred fifty-two".