214186117 has 2 divisors, whose sum is σ = 214186118. Its totient is φ = 214186116.

The previous prime is 214186109. The next prime is 214186177. The reversal of 214186117 is 711681412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185123236 + 29062881 = 13606^2 + 5391^2 .

It is a cyclic number.

It is not a de Polignac number, because 214186117 - 2³ = 214186109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214186177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107093058 + 107093059.

It is an arithmetic number, because the mean of its divisors is an integer number (107093059).

Almost surely, 2^214186117 is an apocalyptic number.

It is an amenable number.

214186117 is a deficient number, since it is larger than the sum of its proper divisors (1).

214186117 is an equidigital number, since it uses as much as digits as its factorization.

214186117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 31.

The square root of 214186117 is about 14635.0988039029. The cubic root of 214186117 is about 598.3157553273.

The spelling of 214186117 in words is "two hundred fourteen million, one hundred eighty-six thousand, one hundred seventeen".