2113135 has 4 divisors (see below), whose sum is σ = 2535768. Its totient is φ = 1690504.

The previous prime is 2113129. The next prime is 2113147. The reversal of 2113135 is 5313112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113135 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211309 + ... + 211318.

It is an arithmetic number, because the mean of its divisors is an integer number (633942).

2^2113135 is an apocalyptic number.

2113135 is a deficient number, since it is larger than the sum of its proper divisors (422633).

2113135 is an equidigital number, since it uses as much as digits as its factorization.

2113135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422632.

The product of its digits is 90, while the sum is 16.

The square root of 2113135 is about 1453.6626156024. The cubic root of 2113135 is about 128.3243523634.

Adding to 2113135 its reverse (5313112), we get a palindrome (7426247).

The spelling of 2113135 in words is "two million, one hundred thirteen thousand, one hundred thirty-five".