131686195 has 8 divisors (see below), whose sum is σ = 158136336. Its totient is φ = 105273696.

The previous prime is 131686193. The next prime is 131686229. The reversal of 131686195 is 591686131.

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

It is a cyclic number.

It is not a de Polignac number, because 131686195 - 2¹ = 131686193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131686193) 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, 1032 + ... + 16261.

It is an arithmetic number, because the mean of its divisors is an integer number (19767042).

Almost surely, 2^131686195 is an apocalyptic number.

131686195 is a deficient number, since it is larger than the sum of its proper divisors (26450141).

131686195 is a wasteful number, since it uses less digits than its factorization.

131686195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18821.

The product of its digits is 38880, while the sum is 40.

The square root of 131686195 is about 11475.4605572064. The cubic root of 131686195 is about 508.7605362173.

The spelling of 131686195 in words is "one hundred thirty-one million, six hundred eighty-six thousand, one hundred ninety-five".