132806081 has 4 divisors (see below), whose sum is σ = 132865200. Its totient is φ = 132746964.

The previous prime is 132806041. The next prime is 132806083. The reversal of 132806081 is 180608231.

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.

It is a cyclic number.

It is not a de Polignac number, because 132806081 - 2²⁶ = 65697217 is a prime.

It is a super-2 number, since 2×132806081² = 35274910301157122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (132806083) 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, 26051 + ... + 30728.

It is an arithmetic number, because the mean of its divisors is an integer number (33216300).

Almost surely, 2^132806081 is an apocalyptic number.

It is an amenable number.

132806081 is a deficient number, since it is larger than the sum of its proper divisors (59119).

132806081 is an equidigital number, since it uses as much as digits as its factorization.

132806081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59118.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 132806081 is about 11524.1520729293. The cubic root of 132806081 is about 510.1986679542.

The spelling of 132806081 in words is "one hundred thirty-two million, eight hundred six thousand, eighty-one".