131342 has 8 divisors (see below), whose sum is σ = 208656. Its totient is φ = 61792.

The previous prime is 131321. The next prime is 131357. The reversal of 131342 is 243131.

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

It is a d-powerful number, because it can be written as 1 + 3² + 3⁵ + 1 + 4² + 2¹⁷ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1898 + ... + 1965.

It is an arithmetic number, because the mean of its divisors is an integer number (26082).

2¹³¹³⁴² is an apocalyptic number.

131342 is a deficient number, since it is larger than the sum of its proper divisors (77314).

131342 is a wasteful number, since it uses less digits than its factorization.

131342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882.

The product of its digits is 72, while the sum is 14.

The square root of 131342 is about 362.4113684751. The cubic root of 131342 is about 50.8316891582.

Subtracting from 131342 its sum of digits (14), we obtain a triangular number (131328 = T₅₁₂).

Adding to 131342 its reverse (243131), we get a palindrome (374473).

The spelling of 131342 in words is "one hundred thirty-one thousand, three hundred forty-two".