214138347 has 4 divisors (see below), whose sum is σ = 285517800. Its totient is φ = 142758896.

The previous prime is 214138319. The next prime is 214138363. The reversal of 214138347 is 743831412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214138347 - 2⁷ = 214138219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214138247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35689722 + ... + 35689727.

It is an arithmetic number, because the mean of its divisors is an integer number (71379450).

Almost surely, 2^214138347 is an apocalyptic number.

214138347 is a deficient number, since it is larger than the sum of its proper divisors (71379453).

214138347 is an equidigital number, since it uses as much as digits as its factorization.

214138347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71379452.

The product of its digits is 16128, while the sum is 33.

The square root of 214138347 is about 14633.4666774486. The cubic root of 214138347 is about 598.2712711669.

Adding to 214138347 its reverse (743831412), we get a palindrome (957969759).

The spelling of 214138347 in words is "two hundred fourteen million, one hundred thirty-eight thousand, three hundred forty-seven".