2768139 has 12 divisors (see below), whose sum is σ = 4362072. Its totient is φ = 1677600.

The previous prime is 2768123. The next prime is 2768177. The reversal of 2768139 is 9318672.

2768139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2768139 - 2⁴ = 2768123 is a prime.

It is a super-3 number, since 3×2768139³ = 63633371919156808857, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2768179) 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 11 ways as a sum of consecutive naturals, for example, 13882 + ... + 14079.

It is an arithmetic number, because the mean of its divisors is an integer number (363506).

2^2768139 is an apocalyptic number.

2768139 is a deficient number, since it is larger than the sum of its proper divisors (1593933).

2768139 is a wasteful number, since it uses less digits than its factorization.

2768139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27978 (or 27975 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2768139 is about 1663.7725205087. The cubic root of 2768139 is about 140.4093292556.

The spelling of 2768139 in words is "two million, seven hundred sixty-eight thousand, one hundred thirty-nine".