219340140 has 48 divisors (see below), whose sum is σ = 624230880. Its totient is φ = 57530880.

The previous prime is 219340139. The next prime is 219340169. The reversal of 219340140 is 41043912.

It is a super-2 number, since 2×219340140² = 96220194030439200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 219340140.

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, 26305 + ... + 33624.

It is an arithmetic number, because the mean of its divisors is an integer number (13004810).

Almost surely, 2^219340140 is an apocalyptic number.

219340140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

219340140 is an abundant number, since it is smaller than the sum of its proper divisors (404890740).

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

219340140 is a wasteful number, since it uses less digits than its factorization.

219340140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60002 (or 60000 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 219340140 is about 14810.1363937001. The cubic root of 219340140 is about 603.0769162271.

The spelling of 219340140 in words is "two hundred nineteen million, three hundred forty thousand, one hundred forty".