2182138008 has 64 divisors (see below), whose sum is σ = 5546482560. Its totient is φ = 715266816.

The previous prime is 2182138001. The next prime is 2182138099. The reversal of 2182138008 is 8008312812.

It is a self number, because there is not a number n which added to its sum of digits gives 2182138008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182138001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522060 + ... + 1523492.

It is an arithmetic number, because the mean of its divisors is an integer number (86663790).

Almost surely, 2^2182138008 is an apocalyptic number.

It is an amenable number.

2182138008 is an abundant number, since it is smaller than the sum of its proper divisors (3364344552).

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

2182138008 is a wasteful number, since it uses less digits than its factorization.

2182138008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456 (or 2452 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 2182138008 is about 46713.3600589810. The cubic root of 2182138008 is about 1297.0620057793.

The spelling of 2182138008 in words is "two billion, one hundred eighty-two million, one hundred thirty-eight thousand, eight".