2139303 has 8 divisors (see below), whose sum is σ = 2929648. Its totient is φ = 1387584.

The previous prime is 2139283. The next prime is 2139307. The reversal of 2139303 is 3039312.

2139303 is nontrivially palindromic in base 11.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2139303 - 2⁸ = 2139047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2139303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9526 + ... + 9747.

It is an arithmetic number, because the mean of its divisors is an integer number (366206).

2^2139303 is an apocalyptic number.

2139303 is a deficient number, since it is larger than the sum of its proper divisors (790345).

2139303 is a wasteful number, since it uses less digits than its factorization.

2139303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19313.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 2139303 is about 1462.6356347361. The cubic root of 2139303 is about 128.8518821565.

Subtracting 2139303 from its reverse (3039312), we obtain a palindrome (900009).

It can be divided in two parts, 2139 and 303, that added together give a palindrome (2442).

The spelling of 2139303 in words is "two million, one hundred thirty-nine thousand, three hundred three".