2113144 has 48 divisors (see below), whose sum is σ = 4548600. Its totient is φ = 918720.

The previous prime is 2113129. The next prime is 2113147. The reversal of 2113144 is 4413112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113147) 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, 35787 + ... + 35845.

2^2113144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2274300).

2113144 is an abundant number, since it is smaller than the sum of its proper divisors (2435456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2113144 is a wasteful number, since it uses less digits than its factorization.

2113144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 109 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 2113144 is about 1453.6657112280. The cubic root of 2113144 is about 128.3245345441.

Adding to 2113144 its reverse (4413112), we get a palindrome (6526256).

Subtracting 2113144 from its reverse (4413112), we obtain a cube (2299968 = 132³).

The spelling of 2113144 in words is "two million, one hundred thirteen thousand, one hundred forty-four".