132415909 has 4 divisors (see below), whose sum is σ = 132931404. Its totient is φ = 131900416.

The previous prime is 132415901. The next prime is 132415939. The reversal of 132415909 is 909514231.

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 76615009 + 55800900 = 8753^2 + 7470^2 .

It is a cyclic number.

It is not a de Polignac number, because 132415909 - 2³ = 132415901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132415901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257362 + ... + 257875.

It is an arithmetic number, because the mean of its divisors is an integer number (33232851).

Almost surely, 2^132415909 is an apocalyptic number.

It is an amenable number.

132415909 is a deficient number, since it is larger than the sum of its proper divisors (515495).

132415909 is an equidigital number, since it uses as much as digits as its factorization.

132415909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515494.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 132415909 is about 11507.2111738683. The cubic root of 132415909 is about 509.6985390016.

The spelling of 132415909 in words is "one hundred thirty-two million, four hundred fifteen thousand, nine hundred nine".