189314149 has 2 divisors, whose sum is σ = 189314150. Its totient is φ = 189314148.

The previous prime is 189314101. The next prime is 189314161. The reversal of 189314149 is 941413981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187197124 + 2117025 = 13682^2 + 1455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189314149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189314189) 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, 94657074 + 94657075.

It is an arithmetic number, because the mean of its divisors is an integer number (94657075).

Almost surely, 2^189314149 is an apocalyptic number.

It is an amenable number.

189314149 is a deficient number, since it is larger than the sum of its proper divisors (1).

189314149 is an equidigital number, since it uses as much as digits as its factorization.

189314149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 40.

The square root of 189314149 is about 13759.1478297168. The cubic root of 189314149 is about 574.1971393654.

The spelling of 189314149 in words is "one hundred eighty-nine million, three hundred fourteen thousand, one hundred forty-nine".