130780218 has 32 divisors (see below), whose sum is σ = 281499840. Its totient is φ = 40354560.

The previous prime is 130780217. The next prime is 130780229. The reversal of 130780218 is 812087031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (130780217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4288 + ... + 16731.

It is an arithmetic number, because the mean of its divisors is an integer number (8796870).

Almost surely, 2^130780218 is an apocalyptic number.

130780218 is an abundant number, since it is smaller than the sum of its proper divisors (150719622).

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

130780218 is a wasteful number, since it uses less digits than its factorization.

130780218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21102.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 130780218 is about 11435.9178905762. The cubic root of 130780218 is about 507.5911237605.

The spelling of 130780218 in words is "one hundred thirty million, seven hundred eighty thousand, two hundred eighteen".