190394875 has 16 divisors (see below), whose sum is σ = 259215840. Its totient is φ = 138468000.

The previous prime is 190394873. The next prime is 190394879. The reversal of 190394875 is 578493091.

It is a happy number.

It is not a de Polignac number, because 190394875 - 2¹ = 190394873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190394873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67860 + ... + 70609.

It is an arithmetic number, because the mean of its divisors is an integer number (16200990).

Almost surely, 2^190394875 is an apocalyptic number.

190394875 is a deficient number, since it is larger than the sum of its proper divisors (68820965).

190394875 is a wasteful number, since it uses less digits than its factorization.

190394875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138495 (or 138485 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 190394875 is about 13798.3649393687. The cubic root of 190394875 is about 575.2876947206.

The spelling of 190394875 in words is "one hundred ninety million, three hundred ninety-four thousand, eight hundred seventy-five".