194104559141 has 2 divisors, whose sum is σ = 194104559142. Its totient is φ = 194104559140.

The previous prime is 194104559137. The next prime is 194104559153. The reversal of 194104559141 is 141955401491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169809102241 + 24295456900 = 412079^2 + 155870^2 .

It is an emirp because it is prime and its reverse (141955401491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 194104559141 - 2² = 194104559137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194104559092 and 194104559101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194104559171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97052279570 + 97052279571.

It is an arithmetic number, because the mean of its divisors is an integer number (97052279571).

Almost surely, 2^194104559141 is an apocalyptic number.

It is an amenable number.

194104559141 is a deficient number, since it is larger than the sum of its proper divisors (1).

194104559141 is an equidigital number, since it uses as much as digits as its factorization.

194104559141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 44.

The spelling of 194104559141 in words is "one hundred ninety-four billion, one hundred four million, five hundred fifty-nine thousand, one hundred forty-one".