214138346 has 8 divisors (see below), whose sum is σ = 325607844. Its totient is φ = 105602400.

The previous prime is 214138319. The next prime is 214138363. The reversal of 214138346 is 643831412.

It can be written as a sum of positive squares in 2 ways, for example, as 184009225 + 30129121 = 13565^2 + 5489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 733205 + ... + 733496.

Almost surely, 2^214138346 is an apocalyptic number.

214138346 is a deficient number, since it is larger than the sum of its proper divisors (111469498).

214138346 is a wasteful number, since it uses less digits than its factorization.

214138346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466776.

The product of its digits is 13824, while the sum is 32.

The square root of 214138346 is about 14633.4666432804. The cubic root of 214138346 is about 598.2712702356.

Adding to 214138346 its reverse (643831412), we get a palindrome (857969758).

The spelling of 214138346 in words is "two hundred fourteen million, one hundred thirty-eight thousand, three hundred forty-six".