214234140 has 24 divisors (see below), whose sum is σ = 599855760. Its totient is φ = 57129088.

The previous prime is 214234091. The next prime is 214234157. The reversal of 214234140 is 41432412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1785225 + ... + 1785344.

It is an arithmetic number, because the mean of its divisors is an integer number (24993990).

Almost surely, 2^214234140 is an apocalyptic number.

214234140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214234140 is an abundant number, since it is smaller than the sum of its proper divisors (385621620).

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

214234140 is a wasteful number, since it uses less digits than its factorization.

214234140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570581 (or 3570579 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 214234140 is about 14636.7393909983. The cubic root of 214234140 is about 598.3604684188.

Adding to 214234140 its reverse (41432412), we get a palindrome (255666552).

The spelling of 214234140 in words is "two hundred fourteen million, two hundred thirty-four thousand, one hundred forty".