132399031 has 4 divisors (see below), whose sum is σ = 132600600. Its totient is φ = 132197464.

The previous prime is 132399013. The next prime is 132399067. The reversal of 132399031 is 130993231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130993231 = 211 ⋅620821.

It is a cyclic number.

It is not a de Polignac number, because 132399031 - 2⁵ = 132398999 is a prime.

It is a super-2 number, since 2×132399031² = 35059006819477922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132398984 and 132399002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132399131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99796 + ... + 101113.

It is an arithmetic number, because the mean of its divisors is an integer number (33150150).

Almost surely, 2^132399031 is an apocalyptic number.

132399031 is a deficient number, since it is larger than the sum of its proper divisors (201569).

132399031 is an equidigital number, since it uses as much as digits as its factorization.

132399031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201568.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 132399031 is about 11506.4777842744. The cubic root of 132399031 is about 509.6768823453.

The spelling of 132399031 in words is "one hundred thirty-two million, three hundred ninety-nine thousand, thirty-one".