2136530000 has 100 divisors (see below), whose sum is σ = 5643293568. Its totient is φ = 776880000.

The previous prime is 2136529981. The next prime is 2136530027. The reversal of 2136530000 is 356312.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (20).

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 19 ways as a sum of consecutive naturals, for example, 100289 + ... + 119711.

Almost surely, 2^2136530000 is an apocalyptic number.

2136530000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2136530000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2821646784).

2136530000 is an abundant number, since it is smaller than the sum of its proper divisors (3506763568).

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

2136530000 is a wasteful number, since it uses less digits than its factorization.

2136530000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19462 (or 19441 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2136530000 is about 46222.6135133010. The cubic root of 2136530000 is about 1287.9618476926.

Adding to 2136530000 its reverse (356312), we get a palindrome (2136886312).

The spelling of 2136530000 in words is "two billion, one hundred thirty-six million, five hundred thirty thousand".