131956195 has 16 divisors (see below), whose sum is σ = 181626048. Its totient is φ = 90155520.

The previous prime is 131956157. The next prime is 131956199. The reversal of 131956195 is 591659131.

It is not a de Polignac number, because 131956195 - 2¹⁵ = 131923427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131956199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3127 + ... + 16543.

It is an arithmetic number, because the mean of its divisors is an integer number (11351628).

Almost surely, 2^131956195 is an apocalyptic number.

131956195 is a deficient number, since it is larger than the sum of its proper divisors (49669853).

131956195 is a wasteful number, since it uses less digits than its factorization.

131956195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13710.

The product of its digits is 36450, while the sum is 40.

The square root of 131956195 is about 11487.2187669601. The cubic root of 131956195 is about 509.1080076441.

The spelling of 131956195 in words is "one hundred thirty-one million, nine hundred fifty-six thousand, one hundred ninety-five".