131793143 has 4 divisors (see below), whose sum is σ = 132959568. Its totient is φ = 130626720.

The previous prime is 131793131. The next prime is 131793157. The reversal of 131793143 is 341397131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131793143 - 2⁸ = 131792887 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 (131793173) 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, 583043 + ... + 583268.

It is an arithmetic number, because the mean of its divisors is an integer number (33239892).

Almost surely, 2^131793143 is an apocalyptic number.

131793143 is a deficient number, since it is larger than the sum of its proper divisors (1166425).

131793143 is a wasteful number, since it uses less digits than its factorization.

131793143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166424.

The product of its digits is 6804, while the sum is 32.

The square root of 131793143 is about 11480.1194680195. The cubic root of 131793143 is about 508.8982276907.

The spelling of 131793143 in words is "one hundred thirty-one million, seven hundred ninety-three thousand, one hundred forty-three".