218413126 has 8 divisors (see below), whose sum is σ = 328155984. Its totient is φ = 109027800.

The previous prime is 218413079. The next prime is 218413141. The reversal of 218413126 is 621314812.

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

It is a junction number, because it is equal to n+sod(n) for n = 218413094 and 218413103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87850 + ... + 90301.

It is an arithmetic number, because the mean of its divisors is an integer number (41019498).

Almost surely, 2^218413126 is an apocalyptic number.

218413126 is a deficient number, since it is larger than the sum of its proper divisors (109742858).

218413126 is a wasteful number, since it uses less digits than its factorization.

218413126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178766.

The product of its digits is 2304, while the sum is 28.

The square root of 218413126 is about 14778.8066500648. The cubic root of 218413126 is about 602.2261064615.

Adding to 218413126 its reverse (621314812), we get a palindrome (839727938).

The spelling of 218413126 in words is "two hundred eighteen million, four hundred thirteen thousand, one hundred twenty-six".