194396119 has 2 divisors, whose sum is σ = 194396120. Its totient is φ = 194396118.

The previous prime is 194396117. The next prime is 194396131. The reversal of 194396119 is 911693491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194396119 - 2¹ = 194396117 is a prime.

It is a super-2 number, since 2×194396119² = 75579702164524322, which contains 22 as substring.

Together with 194396117, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194396117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97198059 + 97198060.

It is an arithmetic number, because the mean of its divisors is an integer number (97198060).

Almost surely, 2^194396119 is an apocalyptic number.

194396119 is a deficient number, since it is larger than the sum of its proper divisors (1).

194396119 is an equidigital number, since it uses as much as digits as its factorization.

194396119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 43.

The square root of 194396119 is about 13942.6008692783. The cubic root of 194396119 is about 579.2897757333.

The spelling of 194396119 in words is "one hundred ninety-four million, three hundred ninety-six thousand, one hundred nineteen".