214000140 has 24 divisors (see below), whose sum is σ = 599200560. Its totient is φ = 57066688.

The previous prime is 214000123. The next prime is 214000153. The reversal of 214000140 is 41000412.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1783275 + ... + 1783394.

It is an arithmetic number, because the mean of its divisors is an integer number (24966690).

Almost surely, 2^214000140 is an apocalyptic number.

214000140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214000140 is an abundant number, since it is smaller than the sum of its proper divisors (385200420).

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

214000140 is a wasteful number, since it uses less digits than its factorization.

214000140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566681 (or 3566679 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 214000140 is about 14628.7436234285. The cubic root of 214000140 is about 598.1425334081.

Adding to 214000140 its reverse (41000412), we get a palindrome (255000552).

The spelling of 214000140 in words is "two hundred fourteen million, one hundred forty", and thus it is an aban number.