132479009 has 4 divisors (see below), whose sum is σ = 142669716. Its totient is φ = 122288304.

The previous prime is 132478993. The next prime is 132479051. The reversal of 132479009 is 900974231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 900974231 = 139 ⋅6481829.

It can be written as a sum of positive squares in 2 ways, for example, as 16443025 + 116035984 = 4055^2 + 10772^2 .

It is a cyclic number.

It is not a de Polignac number, because 132479009 - 2⁴ = 132478993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 132479009.

It is not an unprimeable number, because it can be changed into a prime (132479099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5095334 + ... + 5095359.

It is an arithmetic number, because the mean of its divisors is an integer number (35667429).

Almost surely, 2^132479009 is an apocalyptic number.

It is an amenable number.

132479009 is a deficient number, since it is larger than the sum of its proper divisors (10190707).

132479009 is a wasteful number, since it uses less digits than its factorization.

132479009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10190706.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 132479009 is about 11509.9526063316. The cubic root of 132479009 is about 509.7794881632.

The spelling of 132479009 in words is "one hundred thirty-two million, four hundred seventy-nine thousand, nine".