2139273 has 12 divisors (see below), whose sum is σ = 3105648. Its totient is φ = 1419000.

The previous prime is 2139233. The next prime is 2139283. The reversal of 2139273 is 3729312.

It is not a de Polignac number, because 2139273 - 2¹⁰ = 2138249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2139233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1786 + ... + 2732.

It is an arithmetic number, because the mean of its divisors is an integer number (258804).

2^2139273 is an apocalyptic number.

It is an amenable number.

2139273 is a deficient number, since it is larger than the sum of its proper divisors (966375).

2139273 is a wasteful number, since it uses less digits than its factorization.

2139273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204 (or 1201 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 2139273 is about 1462.6253792410. The cubic root of 2139273 is about 128.8512798459.

The spelling of 2139273 in words is "two million, one hundred thirty-nine thousand, two hundred seventy-three".