131683 has 4 divisors (see below), whose sum is σ = 135280. Its totient is φ = 128088.

The previous prime is 131671. The next prime is 131687. The reversal of 131683 is 386131.

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 131683 - 2⁹ = 131171 is a prime.

It is an Ulam number.

It is a Duffinian number.

131683 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (131687) 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, 1743 + ... + 1816.

It is an arithmetic number, because the mean of its divisors is an integer number (33820).

2¹³¹⁶⁸³ is an apocalyptic number.

131683 is a deficient number, since it is larger than the sum of its proper divisors (3597).

131683 is an equidigital number, since it uses as much as digits as its factorization.

131683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3596.

The product of its digits is 432, while the sum is 22.

The square root of 131683 is about 362.8815233654. The cubic root of 131683 is about 50.8756421630.

It can be divided in two parts, 1 and 31683, that added together give a square (31684 = 178²).

The spelling of 131683 in words is "one hundred thirty-one thousand, six hundred eighty-three".