196695131 has 2 divisors, whose sum is σ = 196695132. Its totient is φ = 196695130.

The previous prime is 196695113. The next prime is 196695173. The reversal of 196695131 is 131596691.

Together with previous prime (196695113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196695131 - 2⁶ = 196695067 is a prime.

It is a super-2 number, since 2×196695131² = 77377949118214322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (196695181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98347565 + 98347566.

It is an arithmetic number, because the mean of its divisors is an integer number (98347566).

Almost surely, 2^196695131 is an apocalyptic number.

196695131 is a deficient number, since it is larger than the sum of its proper divisors (1).

196695131 is an equidigital number, since it uses as much as digits as its factorization.

196695131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 41.

The square root of 196695131 is about 14024.8041341047. The cubic root of 196695131 is about 581.5644752051.

The spelling of 196695131 in words is "one hundred ninety-six million, six hundred ninety-five thousand, one hundred thirty-one".