194714129 has 2 divisors, whose sum is σ = 194714130. Its totient is φ = 194714128.

The previous prime is 194714089. The next prime is 194714167. The reversal of 194714129 is 921417491.

It is an a-pointer prime, because the next prime (194714167) can be obtained adding 194714129 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143448529 + 51265600 = 11977^2 + 7160^2 .

It is a cyclic number.

It is not a de Polignac number, because 194714129 - 2¹⁶ = 194648593 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 194714092 and 194714101.

It is not a weakly prime, because it can be changed into another prime (194714329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97357064 + 97357065.

It is an arithmetic number, because the mean of its divisors is an integer number (97357065).

Almost surely, 2^194714129 is an apocalyptic number.

It is an amenable number.

194714129 is a deficient number, since it is larger than the sum of its proper divisors (1).

194714129 is an equidigital number, since it uses as much as digits as its factorization.

194714129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 38.

The square root of 194714129 is about 13954.0004658162. Note that the first 3 decimals coincide. The cubic root of 194714129 is about 579.6054877606.

The spelling of 194714129 in words is "one hundred ninety-four million, seven hundred fourteen thousand, one hundred twenty-nine".