131802 has 16 divisors (see below), whose sum is σ = 287712. Its totient is φ = 39920.

The previous prime is 131797. The next prime is 131837. The reversal of 131802 is 208131.

It is a happy number.

It is an unprimeable number.

131802 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933 + ... + 1064.

It is an arithmetic number, because the mean of its divisors is an integer number (17982).

2¹³¹⁸⁰² is an apocalyptic number.

131802 is an abundant number, since it is smaller than the sum of its proper divisors (155910).

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

131802 is a wasteful number, since it uses less digits than its factorization.

131802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 131802 is about 363.0454516999. The cubic root of 131802 is about 50.8909627400.

Adding to 131802 its reverse (208131), we get a palindrome (339933).

The spelling of 131802 in words is "one hundred thirty-one thousand, eight hundred two".