132431109 has 8 divisors (see below), whose sum is σ = 176631360. Its totient is φ = 88259136.

The previous prime is 132431087. The next prime is 132431137. The reversal of 132431109 is 901134231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 132431109 - 2¹¹ = 132429061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132431149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9232 + ... + 18710.

It is an arithmetic number, because the mean of its divisors is an integer number (22078920).

Almost surely, 2^132431109 is an apocalyptic number.

It is an amenable number.

132431109 is a deficient number, since it is larger than the sum of its proper divisors (44200251).

132431109 is an equidigital number, since it uses as much as digits as its factorization.

132431109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14139.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 132431109 is about 11507.8716103370. The cubic root of 132431109 is about 509.7180409920.

The spelling of 132431109 in words is "one hundred thirty-two million, four hundred thirty-one thousand, one hundred nine".