132377681 has 2 divisors, whose sum is σ = 132377682. Its totient is φ = 132377680.

The previous prime is 132377669. The next prime is 132377683. The reversal of 132377681 is 186773231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70896400 + 61481281 = 8420^2 + 7841^2 .

It is a cyclic number.

It is not a de Polignac number, because 132377681 - 2²⁶ = 65268817 is a prime.

It is a super-2 number, since 2×132377681² = 35047700853875522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 132377683, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (132377683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66188840 + 66188841.

It is an arithmetic number, because the mean of its divisors is an integer number (66188841).

Almost surely, 2^132377681 is an apocalyptic number.

It is an amenable number.

132377681 is a deficient number, since it is larger than the sum of its proper divisors (1).

132377681 is an equidigital number, since it uses as much as digits as its factorization.

132377681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 132377681 is about 11505.5500085828. The cubic root of 132377681 is about 509.6494848981.

The spelling of 132377681 in words is "one hundred thirty-two million, three hundred seventy-seven thousand, six hundred eighty-one".