132690869 has 2 divisors, whose sum is σ = 132690870. Its totient is φ = 132690868.

The previous prime is 132690829. The next prime is 132690893. The reversal of 132690869 is 968096231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131560900 + 1129969 = 11470^2 + 1063^2 .

It is a cyclic number.

It is not a de Polignac number, because 132690869 - 2²⁴ = 115913653 is a prime.

It is a super-2 number, since 2×132690869² = 35213733431950322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132690809) 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, 66345434 + 66345435.

It is an arithmetic number, because the mean of its divisors is an integer number (66345435).

Almost surely, 2^132690869 is an apocalyptic number.

It is an amenable number.

132690869 is a deficient number, since it is larger than the sum of its proper divisors (1).

132690869 is an equidigital number, since it uses as much as digits as its factorization.

132690869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 132690869 is about 11519.1522691559. The cubic root of 132690869 is about 510.0510893328.

The spelling of 132690869 in words is "one hundred thirty-two million, six hundred ninety thousand, eight hundred sixty-nine".