214811136 has 160 divisors (see below), whose sum is σ = 653083200. Its totient is φ = 69672960.

The previous prime is 214811111. The next prime is 214811141. The reversal of 214811136 is 631118412.

It is a happy number.

It is a super-2 number, since 2×214811136² = 92287648299220992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566595 + ... + 566973.

It is an arithmetic number, because the mean of its divisors is an integer number (4081770).

Almost surely, 2^214811136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214811136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326541600).

214811136 is an abundant number, since it is smaller than the sum of its proper divisors (438272064).

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

214811136 is an equidigital number, since it uses as much as digits as its factorization.

214811136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 425 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 214811136 is about 14656.4366747174. The cubic root of 214811136 is about 598.8971742007.

Adding to 214811136 its reverse (631118412), we get a palindrome (845929548).

The spelling of 214811136 in words is "two hundred fourteen million, eight hundred eleven thousand, one hundred thirty-six".