131140 has 24 divisors (see below), whose sum is σ = 282240. Its totient is φ = 51168.

The previous prime is 131129. The next prime is 131143. The reversal of 131140 is 41131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

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

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1539 + ... + 1621.

It is an arithmetic number, because the mean of its divisors is an integer number (11760).

2¹³¹¹⁴⁰ is an apocalyptic number.

131140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131140 is an abundant number, since it is smaller than the sum of its proper divisors (151100).

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

131140 is a wasteful number, since it uses less digits than its factorization.

131140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 131140 is about 362.1325724096. The cubic root of 131140 is about 50.8056165902.

Adding to 131140 its reverse (41131), we get a palindrome (172271).

Subtracting from 131140 its reverse (41131), we obtain a palindrome (90009).

The spelling of 131140 in words is "one hundred thirty-one thousand, one hundred forty".