216134324 has 24 divisors (see below), whose sum is σ = 437481408. Its totient is φ = 91512000.

The previous prime is 216134323. The next prime is 216134327. The reversal of 216134324 is 423431612.

It is a junction number, because it is equal to n+sod(n) for n = 216134293 and 216134302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216134323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44177 + ... + 48824.

It is an arithmetic number, because the mean of its divisors is an integer number (18228392).

Almost surely, 2^216134324 is an apocalyptic number.

It is an amenable number.

216134324 is an abundant number, since it is smaller than the sum of its proper divisors (221347084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216134324 is a wasteful number, since it uses less digits than its factorization.

216134324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93095 (or 93093 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 216134324 is about 14701.5075417455. The cubic root of 216134324 is about 600.1243483015.

Adding to 216134324 its reverse (423431612), we get a palindrome (639565936).

The spelling of 216134324 in words is "two hundred sixteen million, one hundred thirty-four thousand, three hundred twenty-four".