189714149 has 2 divisors, whose sum is σ = 189714150. Its totient is φ = 189714148.

The previous prime is 189714139. The next prime is 189714157. The reversal of 189714149 is 941417981.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185449924 + 4264225 = 13618^2 + 2065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189714149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189714139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94857074 + 94857075.

It is an arithmetic number, because the mean of its divisors is an integer number (94857075).

Almost surely, 2^189714149 is an apocalyptic number.

It is an amenable number.

189714149 is a deficient number, since it is larger than the sum of its proper divisors (1).

189714149 is an equidigital number, since it uses as much as digits as its factorization.

189714149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 44.

The square root of 189714149 is about 13773.6759436252. The cubic root of 189714149 is about 574.6012600373.

The spelling of 189714149 in words is "one hundred eighty-nine million, seven hundred fourteen thousand, one hundred forty-nine".