131085798 has 16 divisors (see below), whose sum is σ = 264578160. Its totient is φ = 43294176.

The previous prime is 131085797. The next prime is 131085841. The reversal of 131085798 is 897580131.

131085798 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131085791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99565 + ... + 100872.

It is an arithmetic number, because the mean of its divisors is an integer number (16536135).

Almost surely, 2^131085798 is an apocalyptic number.

131085798 is an abundant number, since it is smaller than the sum of its proper divisors (133492362).

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

131085798 is a wasteful number, since it uses less digits than its factorization.

131085798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200551.

The product of its (nonzero) digits is 60480, while the sum is 42.

The square root of 131085798 is about 11449.2706317914. The cubic root of 131085798 is about 507.9861606786.

The spelling of 131085798 in words is "one hundred thirty-one million, eighty-five thousand, seven hundred ninety-eight".