214139205 has 24 divisors (see below), whose sum is σ = 424200192. Its totient is φ = 97892064.

The previous prime is 214139201. The next prime is 214139209. The reversal of 214139205 is 502931412.

It is an interprime number because it is at equal distance from previous prime (214139201) and next prime (214139209).

It is not a de Polignac number, because 214139205 - 2² = 214139201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214139201) 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 in 23 ways as a sum of consecutive naturals, for example, 339589 + ... + 340218.

It is an arithmetic number, because the mean of its divisors is an integer number (17675008).

Almost surely, 2^214139205 is an apocalyptic number.

It is an amenable number.

214139205 is a deficient number, since it is larger than the sum of its proper divisors (210060987).

214139205 is a wasteful number, since it uses less digits than its factorization.

214139205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679825 (or 679822 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 214139205 is about 14633.4959937808. The cubic root of 214139205 is about 598.2720702080.

The spelling of 214139205 in words is "two hundred fourteen million, one hundred thirty-nine thousand, two hundred five".