131988086 has 8 divisors (see below), whose sum is σ = 198097464. Its totient is φ = 65955600.

The previous prime is 131988047. The next prime is 131988097. The reversal of 131988086 is 680889131.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14720 + ... + 21923.

It is an arithmetic number, because the mean of its divisors is an integer number (24762183).

Almost surely, 2^131988086 is an apocalyptic number.

131988086 is a deficient number, since it is larger than the sum of its proper divisors (66109378).

131988086 is a wasteful number, since it uses less digits than its factorization.

131988086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38446.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 131988086 is about 11488.6067910778. The cubic root of 131988086 is about 509.1490178588.

The spelling of 131988086 in words is "one hundred thirty-one million, nine hundred eighty-eight thousand, eighty-six".