194999995 has 8 divisors (see below), whose sum is σ = 234696384. Its totient is φ = 155535744.

The previous prime is 194999989. The next prime is 195000023. The reversal of 194999995 is 599999491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 194999995 - 2¹¹ = 194997947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56179 + ... + 59548.

It is an arithmetic number, because the mean of its divisors is an integer number (29337048).

Almost surely, 2^194999995 is an apocalyptic number.

194999995 is a deficient number, since it is larger than the sum of its proper divisors (39696389).

194999995 is a wasteful number, since it uses less digits than its factorization.

194999995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116069.

The product of its digits is 10628820, while the sum is 64.

The square root of 194999995 is about 13964.2398647402. The cubic root of 194999995 is about 579.8889948086. Note that the first 3 decimals are identical.

The spelling of 194999995 in words is "one hundred ninety-four million, nine hundred ninety-nine thousand, nine hundred ninety-five".