132726809 has 2 divisors, whose sum is σ = 132726810. Its totient is φ = 132726808.

The previous prime is 132726751. The next prime is 132726829. The reversal of 132726809 is 908627231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112296409 + 20430400 = 10597^2 + 4520^2 .

It is a cyclic number.

It is not a de Polignac number, because 132726809 - 2¹² = 132722713 is a prime.

It is not a weakly prime, because it can be changed into another prime (132726829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66363404 + 66363405.

It is an arithmetic number, because the mean of its divisors is an integer number (66363405).

Almost surely, 2^132726809 is an apocalyptic number.

It is an amenable number.

132726809 is a deficient number, since it is larger than the sum of its proper divisors (1).

132726809 is an equidigital number, since it uses as much as digits as its factorization.

132726809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 132726809 is about 11520.7121741670. The cubic root of 132726809 is about 510.0971351572.

The spelling of 132726809 in words is "one hundred thirty-two million, seven hundred twenty-six thousand, eight hundred nine".