131862 has 8 divisors (see below), whose sum is σ = 263736. Its totient is φ = 43952.

The previous prime is 131861. The next prime is 131891. The reversal of 131862 is 268131.

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

131862 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131861) 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, 10983 + ... + 10994.

It is an arithmetic number, because the mean of its divisors is an integer number (32967).

2¹³¹⁸⁶² is an apocalyptic number.

131862 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131862 is a wasteful number, since it uses less digits than its factorization.

131862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21982.

The product of its digits is 288, while the sum is 21.

The square root of 131862 is about 363.1280765790. The cubic root of 131862 is about 50.8986839039.

Subtracting from 131862 its sum of digits (21), we obtain a triangular number (131841 = T₅₁₃).

Adding to 131862 its reverse (268131), we get a palindrome (399993).

The spelling of 131862 in words is "one hundred thirty-one thousand, eight hundred sixty-two".