2003139 has 12 divisors (see below), whose sum is σ = 3019536. Its totient is φ = 1277232.

The previous prime is 2003119. The next prime is 2003149. The reversal of 2003139 is 9313002.

It is not a de Polignac number, because 2003139 - 2⁷ = 2003011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2003119) 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, 4632 + ... + 5045.

It is an arithmetic number, because the mean of its divisors is an integer number (251628).

2^2003139 is an apocalyptic number.

2003139 is a deficient number, since it is larger than the sum of its proper divisors (1016397).

2003139 is a wasteful number, since it uses less digits than its factorization.

2003139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9706 (or 9703 counting only the distinct ones).

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

The square root of 2003139 is about 1415.3229313482. The cubic root of 2003139 is about 126.0579854047.

The spelling of 2003139 in words is "two million, three thousand, one hundred thirty-nine".