132988309 has 2 divisors, whose sum is σ = 132988310. Its totient is φ = 132988308.

The previous prime is 132988253. The next prime is 132988337. The reversal of 132988309 is 903889231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111365809 + 21622500 = 10553^2 + 4650^2 .

It is a cyclic number.

It is not a de Polignac number, because 132988309 - 2⁷ = 132988181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132985309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66494154 + 66494155.

It is an arithmetic number, because the mean of its divisors is an integer number (66494155).

Almost surely, 2^132988309 is an apocalyptic number.

It is an amenable number.

132988309 is a deficient number, since it is larger than the sum of its proper divisors (1).

132988309 is an equidigital number, since it uses as much as digits as its factorization.

132988309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 132988309 is about 11532.0557143989. The cubic root of 132988309 is about 510.4319152847.

The spelling of 132988309 in words is "one hundred thirty-two million, nine hundred eighty-eight thousand, three hundred nine".