130555218 has 16 divisors (see below), whose sum is σ = 266037696. Its totient is φ = 42697200.

The previous prime is 130555211. The next prime is 130555219. The reversal of 130555218 is 812555031.

It is not an unprimeable number, because it can be changed into a prime (130555211) 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, 204958 + ... + 205593.

It is an arithmetic number, because the mean of its divisors is an integer number (16627356).

Almost surely, 2^130555218 is an apocalyptic number.

130555218 is an abundant number, since it is smaller than the sum of its proper divisors (135482478).

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

130555218 is a wasteful number, since it uses less digits than its factorization.

130555218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410609.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 130555218 is about 11426.0762293974. The cubic root of 130555218 is about 507.2998626829.

The spelling of 130555218 in words is "one hundred thirty million, five hundred fifty-five thousand, two hundred eighteen".