2705139 has 12 divisors (see below), whose sum is σ = 4003272. Its totient is φ = 1759200.

The previous prime is 2705137. The next prime is 2705141. The reversal of 2705139 is 9315072.

It is an interprime number because it is at equal distance from previous prime (2705137) and next prime (2705141).

It is not a de Polignac number, because 2705139 - 2¹ = 2705137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2705137) 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, 3297 + ... + 4034.

It is an arithmetic number, because the mean of its divisors is an integer number (333606).

2^2705139 is an apocalyptic number.

2705139 is a deficient number, since it is larger than the sum of its proper divisors (1298133).

2705139 is a wasteful number, since it uses less digits than its factorization.

2705139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7378 (or 7375 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 2705139 is about 1644.7306770411. The cubic root of 2705139 is about 139.3359539251.

The spelling of 2705139 in words is "two million, seven hundred five thousand, one hundred thirty-nine".