214398139 has 6 divisors (see below), whose sum is σ = 221538300. Its totient is φ = 207481140.

The previous prime is 214398089. The next prime is 214398167. The reversal of 214398139 is 931893412.

It is not a de Polignac number, because 214398139 - 2⁹ = 214397627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214398439) 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 in 5 ways as a sum of consecutive naturals, for example, 110589 + ... + 112510.

It is an arithmetic number, because the mean of its divisors is an integer number (36923050).

Almost surely, 2^214398139 is an apocalyptic number.

214398139 is a deficient number, since it is larger than the sum of its proper divisors (7140161).

214398139 is an equidigital number, since it uses as much as digits as its factorization.

214398139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223161 (or 223130 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 214398139 is about 14642.3406257333. The cubic root of 214398139 is about 598.5131136960.

The spelling of 214398139 in words is "two hundred fourteen million, three hundred ninety-eight thousand, one hundred thirty-nine".