218794136 has 24 divisors (see below), whose sum is σ = 450925860. Its totient is φ = 99451440.

The previous prime is 218794127. The next prime is 218794151. The reversal of 218794136 is 631497812.

It is a junction number, because it is equal to n+sod(n) for n = 218794093 and 218794102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112046 + ... + 113981.

Almost surely, 2^218794136 is an apocalyptic number.

It is an amenable number.

218794136 is an abundant number, since it is smaller than the sum of its proper divisors (232131724).

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

218794136 is a wasteful number, since it uses less digits than its factorization.

218794136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226055 (or 226040 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 218794136 is about 14791.6914516224. The cubic root of 218794136 is about 602.5760867621.

The spelling of 218794136 in words is "two hundred eighteen million, seven hundred ninety-four thousand, one hundred thirty-six".