2751139 has 4 divisors (see below), whose sum is σ = 2778480. Its totient is φ = 2723800.

The previous prime is 2751137. The next prime is 2751163. The reversal of 2751139 is 9311572.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2751139 - 2¹ = 2751137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2751137) 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 3 ways as a sum of consecutive naturals, for example, 13519 + ... + 13720.

It is an arithmetic number, because the mean of its divisors is an integer number (694620).

2^2751139 is an apocalyptic number.

2751139 is a deficient number, since it is larger than the sum of its proper divisors (27341).

2751139 is a wasteful number, since it uses less digits than its factorization.

2751139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27340.

The product of its digits is 1890, while the sum is 28.

The square root of 2751139 is about 1658.6557810468. The cubic root of 2751139 is about 140.1213064253.

The spelling of 2751139 in words is "two million, seven hundred fifty-one thousand, one hundred thirty-nine".