2138703875 has 64 divisors (see below), whose sum is σ = 3472754688. Its totient is φ = 1275120000.

The previous prime is 2138703841. The next prime is 2138703883. The reversal of 2138703875 is 5783078312.

It is not a de Polignac number, because 2138703875 - 2⁶ = 2138703811 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 216545 + ... + 226205.

It is an arithmetic number, because the mean of its divisors is an integer number (54261792).

Almost surely, 2^2138703875 is an apocalyptic number.

2138703875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2138703875 is a deficient number, since it is larger than the sum of its proper divisors (1334050813).

2138703875 is a wasteful number, since it uses less digits than its factorization.

2138703875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9717 (or 9707 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 2138703875 is about 46246.1228104584. The cubic root of 2138703875 is about 1288.3985244528.

The spelling of 2138703875 in words is "two billion, one hundred thirty-eight million, seven hundred three thousand, eight hundred seventy-five".