2128736086 has 24 divisors (see below), whose sum is σ = 3306118032. Its totient is φ = 1027947600.

The previous prime is 2128736083. The next prime is 2128736119. The reversal of 2128736086 is 6806378212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128736081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1408071 + ... + 1409581.

It is an arithmetic number, because the mean of its divisors is an integer number (137754918).

Almost surely, 2^2128736086 is an apocalyptic number.

2128736086 is a deficient number, since it is larger than the sum of its proper divisors (1177381946).

2128736086 is a wasteful number, since it uses less digits than its factorization.

2128736086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308 (or 2277 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 2128736086 is about 46138.2280327279. The cubic root of 2128736086 is about 1286.3938074635.

The spelling of 2128736086 in words is "two billion, one hundred twenty-eight million, seven hundred thirty-six thousand, eighty-six".