2183140206 has 48 divisors (see below), whose sum is σ = 5122550160. Its totient is φ = 667969920.

The previous prime is 2183140199. The next prime is 2183140207. The reversal of 2183140206 is 6020413812.

It is a super-2 number, since 2×2183140206² = 9532202318107444872, 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 2183140206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2183140207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15826 + ... + 67946.

It is an arithmetic number, because the mean of its divisors is an integer number (106719795).

Almost surely, 2^2183140206 is an apocalyptic number.

2183140206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2183140206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2561275080).

2183140206 is an abundant number, since it is smaller than the sum of its proper divisors (2939409954).

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

2183140206 is a wasteful number, since it uses less digits than its factorization.

2183140206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52321 (or 52318 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2183140206 is about 46724.0859300640. The cubic root of 2183140206 is about 1297.2605440919.

The spelling of 2183140206 in words is "two billion, one hundred eighty-three million, one hundred forty thousand, two hundred six".