2681139 has 8 divisors (see below), whose sum is σ = 3628480. Its totient is φ = 1760616.

The previous prime is 2681117. The next prime is 2681141. The reversal of 2681139 is 9311862.

2681139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2681139 - 2¹¹ = 2679091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2681039) 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 7 ways as a sum of consecutive naturals, for example, 6469 + ... + 6870.

It is an arithmetic number, because the mean of its divisors is an integer number (453560).

2^2681139 is an apocalyptic number.

2681139 is a deficient number, since it is larger than the sum of its proper divisors (947341).

2681139 is a wasteful number, since it uses less digits than its factorization.

2681139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13409.

The product of its digits is 2592, while the sum is 30.

The square root of 2681139 is about 1637.4183949132. The cubic root of 2681139 is about 138.9226662974.

The spelling of 2681139 in words is "two million, six hundred eighty-one thousand, one hundred thirty-nine".