131668086 has 24 divisors (see below), whose sum is σ = 289453752. Its totient is φ = 39899200.

The previous prime is 131668079. The next prime is 131668087. The reversal of 131668086 is 680866131.

131668086 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131668087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89955 + ... + 91406.

It is an arithmetic number, because the mean of its divisors is an integer number (12060573).

Almost surely, 2^131668086 is an apocalyptic number.

131668086 is an abundant number, since it is smaller than the sum of its proper divisors (157785666).

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

131668086 is a wasteful number, since it uses less digits than its factorization.

131668086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181388 (or 181377 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 131668086 is about 11474.6714985659. The cubic root of 131668086 is about 508.7372141905.

The spelling of 131668086 in words is "one hundred thirty-one million, six hundred sixty-eight thousand, eighty-six".