195058090 has 16 divisors (see below), whose sum is σ = 353069280. Its totient is φ = 77586640.

The previous prime is 195058081. The next prime is 195058099. The reversal of 195058090 is 90850591.

It is an interprime number because it is at equal distance from previous prime (195058081) and next prime (195058099).

It is not an unprimeable number, because it can be changed into a prime (195058099) 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 7 ways as a sum of consecutive naturals, for example, 52696 + ... + 56275.

It is an arithmetic number, because the mean of its divisors is an integer number (22066830).

Almost surely, 2^195058090 is an apocalyptic number.

195058090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195058090 is a deficient number, since it is larger than the sum of its proper divisors (158011190).

195058090 is a wasteful number, since it uses less digits than its factorization.

195058090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109157.

The product of its (nonzero) digits is 16200, while the sum is 37.

The square root of 195058090 is about 13966.3198445403. The cubic root of 195058090 is about 579.9465765300.

The spelling of 195058090 in words is "one hundred ninety-five million, fifty-eight thousand, ninety".