195257194 has 32 divisors (see below), whose sum is σ = 327991680. Its totient is φ = 86424000.

The previous prime is 195257191. The next prime is 195257201. The reversal of 195257194 is 491752591.

It is a self number, because there is not a number n which added to its sum of digits gives 195257194.

It is not an unprimeable number, because it can be changed into a prime (195257191) 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, 175512 + ... + 176620.

It is an arithmetic number, because the mean of its divisors is an integer number (10249740).

Almost surely, 2^195257194 is an apocalyptic number.

195257194 is a deficient number, since it is larger than the sum of its proper divisors (132734486).

195257194 is a wasteful number, since it uses less digits than its factorization.

195257194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326.

The product of its digits is 113400, while the sum is 43.

The square root of 195257194 is about 13973.4460316702. The cubic root of 195257194 is about 580.1438347197.

The spelling of 195257194 in words is "one hundred ninety-five million, two hundred fifty-seven thousand, one hundred ninety-four".