214138 has 4 divisors (see below), whose sum is σ = 321210. Its totient is φ = 107068.

The previous prime is 214133. The next prime is 214141. The reversal of 214138 is 831412.

214138 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 131769 + 82369 = 363^2 + 287^2 .

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (214133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53533 + ... + 53536.

2²¹⁴¹³⁸ is an apocalyptic number.

214138 is a deficient number, since it is larger than the sum of its proper divisors (107072).

214138 is a wasteful number, since it uses less digits than its factorization.

214138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107071.

The product of its digits is 192, while the sum is 19.

The square root of 214138 is about 462.7504727172. The cubic root of 214138 is about 59.8270948011.

The spelling of 214138 in words is "two hundred fourteen thousand, one hundred thirty-eight".