132645009 has 12 divisors (see below), whose sum is σ = 205735344. Its totient is φ = 75797064.

The previous prime is 132644989. The next prime is 132645031. The reversal of 132645009 is 900546231.

It is not a de Polignac number, because 132645009 - 2¹⁵ = 132612241 is a prime.

It is a super-2 number, since 2×132645009² = 35189396825220162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (132645089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 451027 + ... + 451320.

It is an arithmetic number, because the mean of its divisors is an integer number (17144612).

Almost surely, 2^132645009 is an apocalyptic number.

It is an amenable number.

132645009 is a deficient number, since it is larger than the sum of its proper divisors (73090335).

132645009 is an equidigital number, since it uses as much as digits as its factorization.

132645009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902364 (or 902357 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 132645009 is about 11517.1614992584. The cubic root of 132645009 is about 509.9923220682.

The spelling of 132645009 in words is "one hundred thirty-two million, six hundred forty-five thousand, nine".