194740199 has 2 divisors, whose sum is σ = 194740200. Its totient is φ = 194740198.

The previous prime is 194740193. The next prime is 194740229. The reversal of 194740199 is 991047491.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194740199 - 2¹⁶ = 194674663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194740193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97370099 + 97370100.

It is an arithmetic number, because the mean of its divisors is an integer number (97370100).

Almost surely, 2^194740199 is an apocalyptic number.

194740199 is a deficient number, since it is larger than the sum of its proper divisors (1).

194740199 is an equidigital number, since it uses as much as digits as its factorization.

194740199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 194740199 is about 13954.9345752676. The cubic root of 194740199 is about 579.6313541265.

The spelling of 194740199 in words is "one hundred ninety-four million, seven hundred forty thousand, one hundred ninety-nine".