195040195 has 16 divisors (see below), whose sum is σ = 271254528. Its totient is φ = 131856480.

The previous prime is 195040163. The next prime is 195040199. The reversal of 195040195 is 591040591.

It is a happy number.

It is not a de Polignac number, because 195040195 - 2⁵ = 195040163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 195040195.

It is not an unprimeable number, because it can be changed into a prime (195040199) 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, 36759 + ... + 41728.

It is an arithmetic number, because the mean of its divisors is an integer number (16953408).

Almost surely, 2^195040195 is an apocalyptic number.

195040195 is a deficient number, since it is larger than the sum of its proper divisors (76214333).

195040195 is an equidigital number, since it uses as much as digits as its factorization.

195040195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78570.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 195040195 is about 13965.6791814791. The cubic root of 195040195 is about 579.9288408538.

The spelling of 195040195 in words is "one hundred ninety-five million, forty thousand, one hundred ninety-five".