2005543135 has 8 divisors (see below), whose sum is σ = 2407145040. Its totient is φ = 1604105664.

The previous prime is 2005543123. The next prime is 2005543147. The reversal of 2005543135 is 5313455002.

It is an interprime number because it is at equal distance from previous prime (2005543123) and next prime (2005543147).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2005543135 - 2²⁵ = 1971988703 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12457 + ... + 64546.

It is an arithmetic number, because the mean of its divisors is an integer number (300893130).

Almost surely, 2^2005543135 is an apocalyptic number.

2005543135 is a deficient number, since it is larger than the sum of its proper divisors (401601905).

2005543135 is an equidigital number, since it uses as much as digits as its factorization.

2005543135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82217.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 2005543135 is about 44783.2908013692. The cubic root of 2005543135 is about 1261.0839616044.

Adding to 2005543135 its reverse (5313455002), we get a palindrome (7318998137).

It can be divided in two parts, 20055 and 43135, that added together give a triangular number (63190 = T₃₅₅).

The spelling of 2005543135 in words is "two billion, five million, five hundred forty-three thousand, one hundred thirty-five".