132129989 has 2 divisors, whose sum is σ = 132129990. Its totient is φ = 132129988.

The previous prime is 132129973. The next prime is 132130027. The reversal of 132129989 is 989921231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78180964 + 53949025 = 8842^2 + 7345^2 .

It is a cyclic number.

It is not a de Polignac number, because 132129989 - 2⁴ = 132129973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132129929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66064994 + 66064995.

It is an arithmetic number, because the mean of its divisors is an integer number (66064995).

Almost surely, 2^132129989 is an apocalyptic number.

It is an amenable number.

132129989 is a deficient number, since it is larger than the sum of its proper divisors (1).

132129989 is an equidigital number, since it uses as much as digits as its factorization.

132129989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 44.

The square root of 132129989 is about 11494.7809461512. The cubic root of 132129989 is about 509.3314178979.

The spelling of 132129989 in words is "one hundred thirty-two million, one hundred twenty-nine thousand, nine hundred eighty-nine".