131942 has 8 divisors (see below), whose sum is σ = 203376. Its totient is φ = 64152.

The previous prime is 131941. The next prime is 131947. The reversal of 131942 is 249131.

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

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 818 + ... + 965.

It is an arithmetic number, because the mean of its divisors is an integer number (25422).

2¹³¹⁹⁴² is an apocalyptic number.

131942 is a deficient number, since it is larger than the sum of its proper divisors (71434).

131942 is a wasteful number, since it uses less digits than its factorization.

131942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822.

The product of its digits is 216, while the sum is 20.

The square root of 131942 is about 363.2382138487. The cubic root of 131942 is about 50.9089751466.

The spelling of 131942 in words is "one hundred thirty-one thousand, nine hundred forty-two".