199273195 has 16 divisors (see below), whose sum is σ = 261146592. Its totient is φ = 144770560.

The previous prime is 199273187. The next prime is 199273199. The reversal of 199273195 is 591372991.

It is not a de Polignac number, because 199273195 - 2³ = 199273187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199273199) 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, 84249 + ... + 86581.

It is an arithmetic number, because the mean of its divisors is an integer number (16321662).

Almost surely, 2^199273195 is an apocalyptic number.

199273195 is a deficient number, since it is larger than the sum of its proper divisors (61873397).

199273195 is a wasteful number, since it uses less digits than its factorization.

199273195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3902.

The product of its digits is 153090, while the sum is 46.

The square root of 199273195 is about 14116.4157986367. The cubic root of 199273195 is about 584.0942908912.

The spelling of 199273195 in words is "one hundred ninety-nine million, two hundred seventy-three thousand, one hundred ninety-five".