2136244992 has 144 divisors (see below), whose sum is σ = 6541715712. Its totient is φ = 606228480.

The previous prime is 2136244961. The next prime is 2136244997. The reversal of 2136244992 is 2994426312.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (2136244997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 842767 + ... + 845297.

Almost surely, 2^2136244992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2136244992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3270857856).

2136244992 is an abundant number, since it is smaller than the sum of its proper divisors (4405470720).

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

2136244992 is a wasteful number, since it uses less digits than its factorization.

2136244992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714 (or 2700 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 2136244992 is about 46219.5304173463. The cubic root of 2136244992 is about 1287.9045748009.

The spelling of 2136244992 in words is "two billion, one hundred thirty-six million, two hundred forty-four thousand, nine hundred ninety-two".