2670139 has 8 divisors (see below), whose sum is σ = 2950560. Its totient is φ = 2403456.

The previous prime is 2670131. The next prime is 2670167. The reversal of 2670139 is 9310762.

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

It is a cyclic number.

It is not a de Polignac number, because 2670139 - 2³ = 2670131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2670131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3024 + ... + 3805.

It is an arithmetic number, because the mean of its divisors is an integer number (368820).

2^2670139 is an apocalyptic number.

2670139 is a deficient number, since it is larger than the sum of its proper divisors (280421).

2670139 is a wasteful number, since it uses less digits than its factorization.

2670139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6869.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2670139 is about 1634.0559965925. The cubic root of 2670139 is about 138.7324183009.

It can be divided in two parts, 2670 and 139, that added together give a square (2809 = 53²).

The spelling of 2670139 in words is "two million, six hundred seventy thousand, one hundred thirty-nine".