2136344064 has 80 divisors (see below), whose sum is σ = 5701121712. Its totient is φ = 710893568.

The previous prime is 2136344047. The next prime is 2136344069. The reversal of 2136344064 is 4604436312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136344069) 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 7 ways as a sum of consecutive naturals, for example, 1555282 + ... + 1556654.

Almost surely, 2^2136344064 is an apocalyptic number.

2136344064 is a gapful number since it is divisible by the number (24) 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 2136344064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2850560856).

2136344064 is an abundant number, since it is smaller than the sum of its proper divisors (3564777648).

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

2136344064 is a wasteful number, since it uses less digits than its factorization.

2136344064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407 (or 2391 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 2136344064 is about 46220.6021596431. The cubic root of 2136344064 is about 1287.9244840825.

The spelling of 2136344064 in words is "two billion, one hundred thirty-six million, three hundred forty-four thousand, sixty-four".