214135189 has 2 divisors, whose sum is σ = 214135190. Its totient is φ = 214135188.

The previous prime is 214135177. The next prime is 214135223. The reversal of 214135189 is 981531412.

214135189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (214135223) can be obtained adding 214135189 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120626289 + 93508900 = 10983^2 + 9670^2 .

It is a cyclic number.

It is not a de Polignac number, because 214135189 - 2²¹ = 212038037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214135139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107067594 + 107067595.

It is an arithmetic number, because the mean of its divisors is an integer number (107067595).

Almost surely, 2^214135189 is an apocalyptic number.

It is an amenable number.

214135189 is a deficient number, since it is larger than the sum of its proper divisors (1).

214135189 is an equidigital number, since it uses as much as digits as its factorization.

214135189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 34.

The square root of 214135189 is about 14633.3587737061. The cubic root of 214135189 is about 598.2683301555.

The spelling of 214135189 in words is "two hundred fourteen million, one hundred thirty-five thousand, one hundred eighty-nine".