210064234 has 4 divisors (see below), whose sum is σ = 315096354. Its totient is φ = 105032116.

The previous prime is 210064187. The next prime is 210064237. The reversal of 210064234 is 432460012.

It is a happy number.

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., 118919025 + 91145209 = 10905^2 + 9547^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (210064237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52516057 + ... + 52516060.

Almost surely, 2^210064234 is an apocalyptic number.

210064234 is a deficient number, since it is larger than the sum of its proper divisors (105032120).

210064234 is a wasteful number, since it uses less digits than its factorization.

210064234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105032119.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 210064234 is about 14493.5928602952. The cubic root of 210064234 is about 594.4527925718.

The spelling of 210064234 in words is "two hundred ten million, sixty-four thousand, two hundred thirty-four".