132130681 has 4 divisors (see below), whose sum is σ = 139903092. Its totient is φ = 124358272.

The previous prime is 132130637. The next prime is 132130721. The reversal of 132130681 is 186031231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69973225 + 62157456 = 8365^2 + 7884^2 .

It is a cyclic number.

It is not a de Polignac number, because 132130681 - 2⁹ = 132130169 is a prime.

It is a super-2 number, since 2×132130681² = 34917033723047522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132130601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3886180 + ... + 3886213.

It is an arithmetic number, because the mean of its divisors is an integer number (34975773).

Almost surely, 2^132130681 is an apocalyptic number.

It is an amenable number.

132130681 is a deficient number, since it is larger than the sum of its proper divisors (7772411).

132130681 is an equidigital number, since it uses as much as digits as its factorization.

132130681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7772410.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 132130681 is about 11494.8110467289. The cubic root of 132130681 is about 509.3323070645.

The spelling of 132130681 in words is "one hundred thirty-two million, one hundred thirty thousand, six hundred eighty-one".