2103139 has 2 divisors, whose sum is σ = 2103140. Its totient is φ = 2103138.

The previous prime is 2103119. The next prime is 2103149. The reversal of 2103139 is 9313012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2103139 - 2⁵ = 2103107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2103119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051569 + 1051570.

It is an arithmetic number, because the mean of its divisors is an integer number (1051570).

2^2103139 is an apocalyptic number.

2103139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103139 is an equidigital number, since it uses as much as digits as its factorization.

2103139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 2103139 is about 1450.2203280881. The cubic root of 2103139 is about 128.1216900989.

The spelling of 2103139 in words is "two million, one hundred three thousand, one hundred thirty-nine".