195234091 has 16 divisors (see below), whose sum is σ = 213004288. Its totient is φ = 177876000.

The previous prime is 195234077. The next prime is 195234107. The reversal of 195234091 is 190432591.

It is a cyclic number.

It is not a de Polignac number, because 195234091 - 2⁷ = 195233963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195234041) 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 15 ways as a sum of consecutive naturals, for example, 531790 + ... + 532156.

It is an arithmetic number, because the mean of its divisors is an integer number (13312768).

Almost surely, 2^195234091 is an apocalyptic number.

195234091 is a deficient number, since it is larger than the sum of its proper divisors (17770197).

195234091 is a wasteful number, since it uses less digits than its factorization.

195234091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 195234091 is about 13972.6193321081. The cubic root of 195234091 is about 580.1209527772.

The spelling of 195234091 in words is "one hundred ninety-five million, two hundred thirty-four thousand, ninety-one".