2005543134 has 96 divisors (see below), whose sum is σ = 5110110720. Its totient is φ = 556549056.

The previous prime is 2005543123. The next prime is 2005543147. The reversal of 2005543134 is 4313455002.

It is a junction number, because it is equal to n+sod(n) for n = 2005543098 and 2005543107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1066407 + ... + 1068285.

It is an arithmetic number, because the mean of its divisors is an integer number (53230320).

Almost surely, 2^2005543134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2005543134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2555055360).

2005543134 is an abundant number, since it is smaller than the sum of its proper divisors (3104567586).

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

2005543134 is a wasteful number, since it uses less digits than its factorization.

2005543134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134 (or 2131 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2005543134 is about 44783.2907902043. The cubic root of 2005543134 is about 1261.0839613948.

Adding to 2005543134 its reverse (4313455002), we get a palindrome (6318998136).

The spelling of 2005543134 in words is "two billion, five million, five hundred forty-three thousand, one hundred thirty-four".