131432793 has 4 divisors (see below), whose sum is σ = 175243728. Its totient is φ = 87621860.

The previous prime is 131432789. The next prime is 131432801. The reversal of 131432793 is 397234131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131432793 - 2² = 131432789 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131432753) 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, 21905463 + ... + 21905468.

It is an arithmetic number, because the mean of its divisors is an integer number (43810932).

Almost surely, 2^131432793 is an apocalyptic number.

It is an amenable number.

131432793 is a deficient number, since it is larger than the sum of its proper divisors (43810935).

131432793 is an equidigital number, since it uses as much as digits as its factorization.

131432793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43810934.

The product of its digits is 13608, while the sum is 33.

The square root of 131432793 is about 11464.4142022172. The cubic root of 131432793 is about 508.4339929540.

The spelling of 131432793 in words is "one hundred thirty-one million, four hundred thirty-two thousand, seven hundred ninety-three".