216134327 has 2 divisors, whose sum is σ = 216134328. Its totient is φ = 216134326.

The previous prime is 216134323. The next prime is 216134339. The reversal of 216134327 is 723431612.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216134327 - 2² = 216134323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 216134327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216134323) by changing a digit.

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 as a sum of consecutive naturals, namely, 108067163 + 108067164.

It is an arithmetic number, because the mean of its divisors is an integer number (108067164).

Almost surely, 2^216134327 is an apocalyptic number.

216134327 is a deficient number, since it is larger than the sum of its proper divisors (1).

216134327 is an equidigital number, since it uses as much as digits as its factorization.

216134327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 216134327 is about 14701.5076437759. The cubic root of 216134327 is about 600.1243510781.

Adding to 216134327 its reverse (723431612), we get a palindrome (939565939).

The spelling of 216134327 in words is "two hundred sixteen million, one hundred thirty-four thousand, three hundred twenty-seven".