216134 has 8 divisors (see below), whose sum is σ = 330480. Its totient is φ = 105976.

The previous prime is 216133. The next prime is 216149. The reversal of 216134 is 431612.

216134 = 36² + 37² + ... + 88².

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914 + ... + 1125.

It is an arithmetic number, because the mean of its divisors is an integer number (41310).

2²¹⁶¹³⁴ is an apocalyptic number.

216134 is a deficient number, since it is larger than the sum of its proper divisors (114346).

216134 is a wasteful number, since it uses less digits than its factorization.

216134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094.

The product of its digits is 144, while the sum is 17.

The square root of 216134 is about 464.9021402403. The cubic root of 216134 is about 60.0124048426.

Adding to 216134 its reverse (431612), we get a palindrome (647746).

The spelling of 216134 in words is "two hundred sixteen thousand, one hundred thirty-four".