2137302656 has 64 divisors (see below), whose sum is σ = 4358256000. Its totient is φ = 1043767296.

The previous prime is 2137302649. The next prime is 2137302683. The reversal of 2137302656 is 6562037312.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979775 + ... + 981953.

It is an arithmetic number, because the mean of its divisors is an integer number (68097750).

Almost surely, 2^2137302656 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 2137302656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2179128000).

2137302656 is an abundant number, since it is smaller than the sum of its proper divisors (2220953344).

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

2137302656 is an equidigital number, since it uses as much as digits as its factorization.

2137302656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 2137302656 is about 46230.9707447291. The cubic root of 2137302656 is about 1288.1170887472.

Adding to 2137302656 its reverse (6562037312), we get a palindrome (8699339968).

The spelling of 2137302656 in words is "two billion, one hundred thirty-seven million, three hundred two thousand, six hundred fifty-six".