131793 has 8 divisors (see below), whose sum is σ = 177408. Its totient is φ = 87024.

The previous prime is 131783. The next prime is 131797. The reversal of 131793 is 397131.

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

It is not a de Polignac number, because 131793 - 2⁴ = 131777 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (131797) 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, 480 + ... + 702.

It is an arithmetic number, because the mean of its divisors is an integer number (22176).

2¹³¹⁷⁹³ is an apocalyptic number.

It is an amenable number.

131793 is a deficient number, since it is larger than the sum of its proper divisors (45615).

131793 is a wasteful number, since it uses less digits than its factorization.

131793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423.

The product of its digits is 567, while the sum is 24.

The square root of 131793 is about 363.0330563461. The cubic root of 131793 is about 50.8898043633.

Subtracting from 131793 its sum of digits (24), we obtain a square (131769 = 363²).

The spelling of 131793 in words is "one hundred thirty-one thousand, seven hundred ninety-three".