132578081 has 2 divisors, whose sum is σ = 132578082. Its totient is φ = 132578080.

The previous prime is 132578077. The next prime is 132578093. The reversal of 132578081 is 180875231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107827456 + 24750625 = 10384^2 + 4975^2 .

It is a cyclic number.

It is not a de Polignac number, because 132578081 - 2² = 132578077 is a prime.

It is a super-2 number, since 2×132578081² = 35153895123285122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (132572081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66289040 + 66289041.

It is an arithmetic number, because the mean of its divisors is an integer number (66289041).

Almost surely, 2^132578081 is an apocalyptic number.

It is an amenable number.

132578081 is a deficient number, since it is larger than the sum of its proper divisors (1).

132578081 is an equidigital number, since it uses as much as digits as its factorization.

132578081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 132578081 is about 11514.2555556145. The cubic root of 132578081 is about 509.9065329163.

The spelling of 132578081 in words is "one hundred thirty-two million, five hundred seventy-eight thousand, eighty-one".