130057218 has 32 divisors (see below), whose sum is σ = 289396800. Its totient is φ = 43295328.

The previous prime is 130057217. The next prime is 130057219. The reversal of 130057218 is 812750031.

It is an interprime number because it is at equal distance from previous prime (130057217) and next prime (130057219).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 130057191 and 130057200.

It is not an unprimeable number, because it can be changed into a prime (130057217) 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, 67030 + ... + 68942.

It is an arithmetic number, because the mean of its divisors is an integer number (9043650).

Almost surely, 2^130057218 is an apocalyptic number.

130057218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

130057218 is an abundant number, since it is smaller than the sum of its proper divisors (159339582).

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

130057218 is a wasteful number, since it uses less digits than its factorization.

130057218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183 (or 3177 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 130057218 is about 11404.2631502434. The cubic root of 130057218 is about 506.6540127457.

The spelling of 130057218 in words is "one hundred thirty million, fifty-seven thousand, two hundred eighteen".