195039195 has 32 divisors (see below), whose sum is σ = 350687232. Its totient is φ = 91842432.

The previous prime is 195039193. The next prime is 195039203. The reversal of 195039195 is 591930591.

It is not a de Polignac number, because 195039195 - 2¹ = 195039193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195039193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17259 + ... + 26228.

It is an arithmetic number, because the mean of its divisors is an integer number (10958976).

Almost surely, 2^195039195 is an apocalyptic number.

195039195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195039195 is a deficient number, since it is larger than the sum of its proper divisors (155648037).

195039195 is a wasteful number, since it uses less digits than its factorization.

195039195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43531.

The product of its (nonzero) digits is 54675, while the sum is 42.

The square root of 195039195 is about 13965.6433793793. The cubic root of 195039195 is about 579.9278497251.

The spelling of 195039195 in words is "one hundred ninety-five million, thirty-nine thousand, one hundred ninety-five".