2139111 has 24 divisors (see below), whose sum is σ = 3407040. Its totient is φ = 1285056.

The previous prime is 2139107. The next prime is 2139131. The reversal of 2139111 is 1119312.

2139111 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 2139111 - 2² = 2139107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139131) 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 23 ways as a sum of consecutive naturals, for example, 5305 + ... + 5693.

It is an arithmetic number, because the mean of its divisors is an integer number (141960).

2^2139111 is an apocalyptic number.

2139111 is a deficient number, since it is larger than the sum of its proper divisors (1267929).

2139111 is a wasteful number, since it uses less digits than its factorization.

2139111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 452 counting only the distinct ones).

The product of its digits is 54, while the sum is 18.

The square root of 2139111 is about 1462.5699983249. The cubic root of 2139111 is about 128.8480272714.

The spelling of 2139111 in words is "two million, one hundred thirty-nine thousand, one hundred eleven".