195105607 has 4 divisors (see below), whose sum is σ = 195370360. Its totient is φ = 194840856.

The previous prime is 195105569. The next prime is 195105611. The reversal of 195105607 is 706501591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 195105607 - 2⁷ = 195105479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195105697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131268 + ... + 132745.

It is an arithmetic number, because the mean of its divisors is an integer number (48842590).

Almost surely, 2^195105607 is an apocalyptic number.

195105607 is a deficient number, since it is larger than the sum of its proper divisors (264753).

195105607 is an equidigital number, since it uses as much as digits as its factorization.

195105607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264752.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 195105607 is about 13968.0208691138. The cubic root of 195105607 is about 579.9936652102.

The spelling of 195105607 in words is "one hundred ninety-five million, one hundred five thousand, six hundred seven".