2135543000 has 64 divisors (see below), whose sum is σ = 5260226400. Its totient is φ = 809251200.

The previous prime is 2135542993. The next prime is 2135543063. The reversal of 2135543000 is 3455312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37199 + ... + 75198.

Almost surely, 2^2135543000 is an apocalyptic number.

2135543000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2135543000 is an abundant number, since it is smaller than the sum of its proper divisors (3124683400).

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

2135543000 is a wasteful number, since it uses less digits than its factorization.

2135543000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112437 (or 112423 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2135543000 is about 46211.9356876554. The cubic root of 2135543000 is about 1287.7634864641.

Adding to 2135543000 its reverse (3455312), we get a palindrome (2138998312).

The spelling of 2135543000 in words is "two billion, one hundred thirty-five million, five hundred forty-three thousand".