2139003 has 12 divisors (see below), whose sum is σ = 3104608. Its totient is φ = 1419120.

The previous prime is 2138999. The next prime is 2139013. The reversal of 2139003 is 3009312.

2139003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2139003 - 2² = 2138999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2139013) 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 11 ways as a sum of consecutive naturals, for example, 2001 + ... + 2877.

2^2139003 is an apocalyptic number.

2139003 is a deficient number, since it is larger than the sum of its proper divisors (965605).

2139003 is a wasteful number, since it uses less digits than its factorization.

2139003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 2139003 is about 1462.5330765490. The cubic root of 2139003 is about 128.8458587972.

It can be divided in two parts, 213 and 9003, that added together give a square (9216 = 96²).

The spelling of 2139003 in words is "two million, one hundred thirty-nine thousand, three".