131142 has 16 divisors (see below), whose sum is σ = 286272. Its totient is φ = 39720.

The previous prime is 131129. The next prime is 131143. The reversal of 131142 is 241131.

It is a happy number.

It is a d-powerful number, because it can be written as 1 + 3 + 1 + 1 + 4³ + 2¹⁷ .

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131143) by changing a digit.

131142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928 + ... + 1059.

It is an arithmetic number, because the mean of its divisors is an integer number (17892).

2¹³¹¹⁴² is an apocalyptic number.

131142 is an abundant number, since it is smaller than the sum of its proper divisors (155130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131142 is a wasteful number, since it uses less digits than its factorization.

131142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003.

The product of its digits is 24, while the sum is 12.

The square root of 131142 is about 362.1353338187. The cubic root of 131142 is about 50.8058748656.

Adding to 131142 its reverse (241131), we get a palindrome (372273).

The spelling of 131142 in words is "one hundred thirty-one thousand, one hundred forty-two".