196965131 has 12 divisors (see below), whose sum is σ = 217624176. Its totient is φ = 178128720.

The previous prime is 196965127. The next prime is 196965133. The reversal of 196965131 is 131569691.

It is not a de Polignac number, because 196965131 - 2² = 196965127 is a prime.

It is a super-2 number, since 2×196965131² = 77590525659694322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (196965133) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 19706 + ... + 27968.

It is an arithmetic number, because the mean of its divisors is an integer number (18135348).

Almost surely, 2^196965131 is an apocalyptic number.

196965131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

196965131 is a deficient number, since it is larger than the sum of its proper divisors (20659045).

196965131 is a wasteful number, since it uses less digits than its factorization.

196965131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8482 (or 8471 counting only the distinct ones).

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

The square root of 196965131 is about 14034.4266359549. The cubic root of 196965131 is about 581.8304547016.

The spelling of 196965131 in words is "one hundred ninety-six million, nine hundred sixty-five thousand, one hundred thirty-one".