2138876010 has 64 divisors (see below), whose sum is σ = 5708223360. Its totient is φ = 569911680.

The previous prime is 2138875997. The next prime is 2138876011. The reversal of 2138876010 is 106788312.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2138876011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 462369 + ... + 466971.

It is an arithmetic number, because the mean of its divisors is an integer number (89190990).

Almost surely, 2^2138876010 is an apocalyptic number.

2138876010 is an abundant number, since it is smaller than the sum of its proper divisors (3569347350).

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

2138876010 is a wasteful number, since it uses less digits than its factorization.

2138876010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6340 (or 6334 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2138876010 is about 46247.9838479474. The cubic root of 2138876010 is about 1288.4330893954.

The spelling of 2138876010 in words is "two billion, one hundred thirty-eight million, eight hundred seventy-six thousand, ten".