214043140 has 12 divisors (see below), whose sum is σ = 449490636. Its totient is φ = 85617248.

The previous prime is 214043111. The next prime is 214043143. The reversal of 214043140 is 41340412.

It can be written as a sum of positive squares in 2 ways, for example, as 24760576 + 189282564 = 4976^2 + 13758^2 .

It is not an unprimeable number, because it can be changed into a prime (214043143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5351059 + ... + 5351098.

It is an arithmetic number, because the mean of its divisors is an integer number (37457553).

Almost surely, 2^214043140 is an apocalyptic number.

214043140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214043140 is an abundant number, since it is smaller than the sum of its proper divisors (235447496).

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

214043140 is a wasteful number, since it uses less digits than its factorization.

214043140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10702166 (or 10702164 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 214043140 is about 14630.2132588695. The cubic root of 214043140 is about 598.1825932050.

Adding to 214043140 its reverse (41340412), we get a palindrome (255383552).

The spelling of 214043140 in words is "two hundred fourteen million, forty-three thousand, one hundred forty".