194142341 has 2 divisors, whose sum is σ = 194142342. Its totient is φ = 194142340.

The previous prime is 194142281. The next prime is 194142353. The reversal of 194142341 is 143241491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193794241 + 348100 = 13921^2 + 590^2 .

It is an emirp because it is prime and its reverse (143241491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 194142341 - 2²⁶ = 127033477 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 (194142041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97071170 + 97071171.

It is an arithmetic number, because the mean of its divisors is an integer number (97071171).

Almost surely, 2^194142341 is an apocalyptic number.

It is an amenable number.

194142341 is a deficient number, since it is larger than the sum of its proper divisors (1).

194142341 is an equidigital number, since it uses as much as digits as its factorization.

194142341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 194142341 is about 13933.4970843647. The cubic root of 194142341 is about 579.0375844505.

The spelling of 194142341 in words is "one hundred ninety-four million, one hundred forty-two thousand, three hundred forty-one".