130520132 has 12 divisors (see below), whose sum is σ = 232720236. Its totient is φ = 64028640.

The previous prime is 130520123. The next prime is 130520141. The reversal of 130520132 is 231025031.

It is an interprime number because it is at equal distance from previous prime (130520123) and next prime (130520141).

It can be written as a sum of positive squares in 2 ways, for example, as 59691076 + 70829056 = 7726^2 + 8416^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 130520132.

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, 307619 + ... + 308042.

It is an arithmetic number, because the mean of its divisors is an integer number (19393353).

Almost surely, 2^130520132 is an apocalyptic number.

It is an amenable number.

130520132 is a deficient number, since it is larger than the sum of its proper divisors (102200104).

130520132 is a wasteful number, since it uses less digits than its factorization.

130520132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615718 (or 615716 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 130520132 is about 11424.5407785171. The cubic root of 130520132 is about 507.2544139245.

Adding to 130520132 its reverse (231025031), we get a palindrome (361545163).

The spelling of 130520132 in words is "one hundred thirty million, five hundred twenty thousand, one hundred thirty-two".