132580813 has 4 divisors (see below), whose sum is σ = 132787648. Its totient is φ = 132373980.

The previous prime is 132580801. The next prime is 132580817. The reversal of 132580813 is 318085231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 318085231 = 349 ⋅911419.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132580813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132580817) 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, 102453 + ... + 103738.

It is an arithmetic number, because the mean of its divisors is an integer number (33196912).

Almost surely, 2^132580813 is an apocalyptic number.

It is an amenable number.

132580813 is a deficient number, since it is larger than the sum of its proper divisors (206835).

132580813 is an equidigital number, since it uses as much as digits as its factorization.

132580813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206834.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 132580813 is about 11514.3741905498. The cubic root of 132580813 is about 509.9100353934.

The spelling of 132580813 in words is "one hundred thirty-two million, five hundred eighty thousand, eight hundred thirteen".