214640234 has 8 divisors (see below), whose sum is σ = 322264740. Its totient is φ = 107218656.

The previous prime is 214640213. The next prime is 214640303. The reversal of 214640234 is 432046412.

214640234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 214534609 + 105625 = 14647^2 + 325^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48059 + ... + 52334.

Almost surely, 2^214640234 is an apocalyptic number.

214640234 is a deficient number, since it is larger than the sum of its proper divisors (107624506).

214640234 is a wasteful number, since it uses less digits than its factorization.

214640234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101464.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 214640234 is about 14650.6052434703. The cubic root of 214640234 is about 598.7383061481.

Adding to 214640234 its reverse (432046412), we get a palindrome (646686646).

The spelling of 214640234 in words is "two hundred fourteen million, six hundred forty thousand, two hundred thirty-four".