196579131 has 16 divisors (see below), whose sum is σ = 305664000. Its totient is φ = 112330344.

The previous prime is 196579129. The next prime is 196579147. The reversal of 196579131 is 131975691.

It is not a de Polignac number, because 196579131 - 2¹ = 196579129 is a prime.

It is a super-2 number, since 2×196579131² = 77286709489430322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (196579181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94491 + ... + 96548.

It is an arithmetic number, because the mean of its divisors is an integer number (19104000).

Almost surely, 2^196579131 is an apocalyptic number.

196579131 is a deficient number, since it is larger than the sum of its proper divisors (109084869).

196579131 is an equidigital number, since it uses as much as digits as its factorization.

196579131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191063 (or 191049 counting only the distinct ones).

The product of its digits is 51030, while the sum is 42.

The square root of 196579131 is about 14020.6679940722. The cubic root of 196579131 is about 581.4501277802.

The spelling of 196579131 in words is "one hundred ninety-six million, five hundred seventy-nine thousand, one hundred thirty-one".