214109118 has 72 divisors (see below), whose sum is σ = 499992480. Its totient is φ = 66193920.

The previous prime is 214109113. The next prime is 214109143. The reversal of 214109118 is 811901412.

It is a junction number, because it is equal to n+sod(n) for n = 214109091 and 214109100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214109113) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 410698 + ... + 411218.

It is an arithmetic number, because the mean of its divisors is an integer number (6944340).

Almost surely, 2^214109118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214109118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249996240).

214109118 is an abundant number, since it is smaller than the sum of its proper divisors (285883362).

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

214109118 is a wasteful number, since it uses less digits than its factorization.

214109118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 214109118 is about 14632.4679394831. The cubic root of 214109118 is about 598.2440494090.

The spelling of 214109118 in words is "two hundred fourteen million, one hundred nine thousand, one hundred eighteen".