214234091 has 2 divisors, whose sum is σ = 214234092. Its totient is φ = 214234090.

The previous prime is 214234081. The next prime is 214234157. The reversal of 214234091 is 190432412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214234091 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214234091.

It is not a weakly prime, because it can be changed into another prime (214234001) 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, 107117045 + 107117046.

It is an arithmetic number, because the mean of its divisors is an integer number (107117046).

Almost surely, 2^214234091 is an apocalyptic number.

214234091 is a deficient number, since it is larger than the sum of its proper divisors (1).

214234091 is an equidigital number, since it uses as much as digits as its factorization.

214234091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 214234091 is about 14636.7377171281. The cubic root of 214234091 is about 598.3604227995.

The spelling of 214234091 in words is "two hundred fourteen million, two hundred thirty-four thousand, ninety-one".