132131999 has 4 divisors (see below), whose sum is σ = 132338136. Its totient is φ = 131925864.

The previous prime is 132131983. The next prime is 132132017. The reversal of 132131999 is 999131231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999131231 = 7 ⋅142733033.

It is a cyclic number.

It is not a de Polignac number, because 132131999 - 2⁴ = 132131983 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 (132131959) 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, 102104 + ... + 103389.

It is an arithmetic number, because the mean of its divisors is an integer number (33084534).

Almost surely, 2^132131999 is an apocalyptic number.

132131999 is a deficient number, since it is larger than the sum of its proper divisors (206137).

132131999 is an equidigital number, since it uses as much as digits as its factorization.

132131999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206136.

The product of its digits is 13122, while the sum is 38.

The square root of 132131999 is about 11494.8683768019. The cubic root of 132131999 is about 509.3340005843.

The spelling of 132131999 in words is "one hundred thirty-two million, one hundred thirty-one thousand, nine hundred ninety-nine".