214333140 has 96 divisors (see below), whose sum is σ = 693068544. Its totient is φ = 48476160.

The previous prime is 214333139. The next prime is 214333153. The reversal of 214333140 is 41333412.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38110 + ... + 43370.

It is an arithmetic number, because the mean of its divisors is an integer number (7219464).

Almost surely, 2^214333140 is an apocalyptic number.

214333140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214333140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346534272).

214333140 is an abundant number, since it is smaller than the sum of its proper divisors (478735404).

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

214333140 is a wasteful number, since it uses less digits than its factorization.

214333140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5377 (or 5375 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 214333140 is about 14640.1209011401. The cubic root of 214333140 is about 598.4526239204.

Adding to 214333140 its reverse (41333412), we get a palindrome (255666552).

The spelling of 214333140 in words is "two hundred fourteen million, three hundred thirty-three thousand, one hundred forty".