518630130 has 24 divisors (see below), whose sum is σ = 1348438572. Its totient is φ = 138301344.

The previous prime is 518630129. The next prime is 518630159. The reversal of 518630130 is 31036815.

518630130 is a `hidden beast` number, since 5 + 18 + 630 + 13 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 518063121 + 567009 = 22761^2 + 753^2 .

It is a junction number, because it is equal to n+sod(n) for n = 518630094 and 518630103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2881189 + ... + 2881368.

Almost surely, 2^518630130 is an apocalyptic number.

518630130 is an abundant number, since it is smaller than the sum of its proper divisors (829808442).

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

518630130 is a wasteful number, since it uses less digits than its factorization.

518630130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762570 (or 5762567 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 518630130 is about 22773.4523074566. The cubic root of 518630130 is about 803.4383933501.

Adding to 518630130 its reverse (31036815), we get a palindrome (549666945).

The spelling of 518630130 in words is "five hundred eighteen million, six hundred thirty thousand, one hundred thirty".