216336134 has 16 divisors (see below), whose sum is σ = 376943136. Its totient is φ = 91195200.

The previous prime is 216336119. The next prime is 216336149. The reversal of 216336134 is 431633612.

It is an interprime number because it is at equal distance from previous prime (216336119) and next prime (216336149).

It is a junction number, because it is equal to n+sod(n) for n = 216336097 and 216336106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125807 + ... + 127514.

It is an arithmetic number, because the mean of its divisors is an integer number (23558946).

Almost surely, 2^216336134 is an apocalyptic number.

216336134 is a deficient number, since it is larger than the sum of its proper divisors (160607002).

216336134 is a wasteful number, since it uses less digits than its factorization.

216336134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253391.

The product of its digits is 7776, while the sum is 29.

The square root of 216336134 is about 14708.3695221462. The cubic root of 216336134 is about 600.3110738790.

Adding to 216336134 its reverse (431633612), we get a palindrome (647969746).

The spelling of 216336134 in words is "two hundred sixteen million, three hundred thirty-six thousand, one hundred thirty-four".