2135113236 has 24 divisors (see below), whose sum is σ = 5535479040. Its totient is φ = 711704376.

The previous prime is 2135113219. The next prime is 2135113237. The reversal of 2135113236 is 6323115312.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135113237) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9884676 + ... + 9884891.

It is an arithmetic number, because the mean of its divisors is an integer number (230644960).

Almost surely, 2^2135113236 is an apocalyptic number.

It is an amenable number.

2135113236 is an abundant number, since it is smaller than the sum of its proper divisors (3400365804).

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

2135113236 is a wasteful number, since it uses less digits than its factorization.

2135113236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19769580 (or 19769572 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 2135113236 is about 46207.2855294487. The cubic root of 2135113236 is about 1287.6770960213.

Adding to 2135113236 its reverse (6323115312), we get a palindrome (8458228548).

The spelling of 2135113236 in words is "two billion, one hundred thirty-five million, one hundred thirteen thousand, two hundred thirty-six".