130557328 has 20 divisors (see below), whose sum is σ = 275951088. Its totient is φ = 59344160.

The previous prime is 130557319. The next prime is 130557431. The reversal of 130557328 is 823755031.

It is a junction number, because it is equal to n+sod(n) for n = 130557293 and 130557302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370726 + ... + 371077.

Almost surely, 2^130557328 is an apocalyptic number.

It is an amenable number.

130557328 is an abundant number, since it is smaller than the sum of its proper divisors (145393760).

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

130557328 is a wasteful number, since it uses less digits than its factorization.

130557328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741822 (or 741816 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 130557328 is about 11426.1685616833. The cubic root of 130557328 is about 507.3025956183.

The spelling of 130557328 in words is "one hundred thirty million, five hundred fifty-seven thousand, three hundred twenty-eight".