130130660 has 36 divisors (see below), whose sum is σ = 300381564. Its totient is φ = 47319360.

The previous prime is 130130657. The next prime is 130130669. The reversal of 130130660 is 66031031.

It can be written as a sum of positive squares in 2 ways, for example, as 68790436 + 61340224 = 8294^2 + 7832^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130130669) 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 11 ways as a sum of consecutive naturals, for example, 24467 + ... + 29306.

Almost surely, 2^130130660 is an apocalyptic number.

130130660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130130660 is an abundant number, since it is smaller than the sum of its proper divisors (170250904).

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

130130660 is a wasteful number, since it uses less digits than its factorization.

130130660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53804 (or 53791 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 130130660 is about 11407.4826320271. The cubic root of 130130660 is about 506.7493622716.

Adding to 130130660 its reverse (66031031), we get a palindrome (196161691).

The spelling of 130130660 in words is "one hundred thirty million, one hundred thirty thousand, six hundred sixty".