131844 has 12 divisors (see below), whose sum is σ = 307664. Its totient is φ = 43944.

The previous prime is 131839. The next prime is 131849. The reversal of 131844 is 448131.

It is an interprime number because it is at equal distance from previous prime (131839) and next prime (131849).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 131844.

It is not an unprimeable number, because it can be changed into a prime (131849) 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, 5482 + ... + 5505.

2¹³¹⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

131844 is an abundant number, since it is smaller than the sum of its proper divisors (175820).

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

131844 is a wasteful number, since it uses less digits than its factorization.

131844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10994 (or 10992 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 131844 is about 363.1032910895. The cubic root of 131844 is about 50.8963678007.

Adding to 131844 its reverse (448131), we get a palindrome (579975).

The spelling of 131844 in words is "one hundred thirty-one thousand, eight hundred forty-four".