130218056 has 16 divisors (see below), whose sum is σ = 244579500. Its totient is φ = 64996864.

The previous prime is 130218043. The next prime is 130218071. The reversal of 130218056 is 650812031.

It can be written as a sum of positive squares in 2 ways, for example, as 125664100 + 4553956 = 11210^2 + 2134^2 .

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 3 ways as a sum of consecutive naturals, for example, 8981 + ... + 18468.

Almost surely, 2^130218056 is an apocalyptic number.

It is an amenable number.

130218056 is a deficient number, since it is larger than the sum of its proper divisors (114361444).

130218056 is a wasteful number, since it uses less digits than its factorization.

130218056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28048 (or 28044 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 130218056 is about 11411.3126326466. The cubic root of 130218056 is about 506.8627814980.

The spelling of 130218056 in words is "one hundred thirty million, two hundred eighteen thousand, fifty-six".