131996366 has 8 divisors (see below), whose sum is σ = 198310224. Its totient is φ = 65892960.

The previous prime is 131996327. The next prime is 131996383. The reversal of 131996366 is 663699131.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51035 + ... + 53558.

It is an arithmetic number, because the mean of its divisors is an integer number (24788778).

Almost surely, 2^131996366 is an apocalyptic number.

131996366 is a deficient number, since it is larger than the sum of its proper divisors (66313858).

131996366 is a wasteful number, since it uses less digits than its factorization.

131996366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105226.

The product of its digits is 157464, while the sum is 44.

The square root of 131996366 is about 11488.9671424371. The cubic root of 131996366 is about 509.1596644402.

The spelling of 131996366 in words is "one hundred thirty-one million, nine hundred ninety-six thousand, three hundred sixty-six".