132445129 has 4 divisors (see below), whose sum is σ = 135675540. Its totient is φ = 129214720.

The previous prime is 132445111. The next prime is 132445133. The reversal of 132445129 is 921544231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35462025 + 96983104 = 5955^2 + 9848^2 .

It is a cyclic number.

It is not a de Polignac number, because 132445129 - 2⁵ = 132445097 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132445129.

It is not an unprimeable number, because it can be changed into a prime (132445139) 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 in 3 ways as a sum of consecutive naturals, for example, 1615144 + ... + 1615225.

It is an arithmetic number, because the mean of its divisors is an integer number (33918885).

Almost surely, 2^132445129 is an apocalyptic number.

It is an amenable number.

132445129 is a deficient number, since it is larger than the sum of its proper divisors (3230411).

132445129 is an equidigital number, since it uses as much as digits as its factorization.

132445129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230410.

The product of its digits is 8640, while the sum is 31.

The square root of 132445129 is about 11508.4807424786. The cubic root of 132445129 is about 509.7360276892.

The spelling of 132445129 in words is "one hundred thirty-two million, four hundred forty-five thousand, one hundred twenty-nine".