132681569 has 2 divisors, whose sum is σ = 132681570. Its totient is φ = 132681568.

The previous prime is 132681533. The next prime is 132681587. The reversal of 132681569 is 965186231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73960000 + 58721569 = 8600^2 + 7663^2 .

It is a cyclic number.

It is not a de Polignac number, because 132681569 - 2²⁴ = 115904353 is a prime.

It is a super-2 number, since 2×132681569² = 35208797504603522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (132681509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66340784 + 66340785.

It is an arithmetic number, because the mean of its divisors is an integer number (66340785).

Almost surely, 2^132681569 is an apocalyptic number.

It is an amenable number.

132681569 is a deficient number, since it is larger than the sum of its proper divisors (1).

132681569 is an equidigital number, since it uses as much as digits as its factorization.

132681569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 41.

The square root of 132681569 is about 11518.7485865436. The cubic root of 132681569 is about 510.0391729490.

The spelling of 132681569 in words is "one hundred thirty-two million, six hundred eighty-one thousand, five hundred sixty-nine".