2636530140136 has 32 divisors (see below), whose sum is σ = 5026337758080. Its totient is φ = 1296188913600.

The previous prime is 2636530140109. The next prime is 2636530140149. The reversal of 2636530140136 is 6310410356362.

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, 394125 + ... + 2329891.

It is an arithmetic number, because the mean of its divisors is an integer number (157073054940).

Almost surely, 2^{2636530140136} is an apocalyptic number.

It is an amenable number.

2636530140136 is a deficient number, since it is larger than the sum of its proper divisors (2389807617944).

2636530140136 is a wasteful number, since it uses less digits than its factorization.

2636530140136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938625 (or 1938621 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 40.

Adding to 2636530140136 its reverse (6310410356362), we get a palindrome (8946940496498).

The spelling of 2636530140136 in words is "two trillion, six hundred thirty-six billion, five hundred thirty million, one hundred forty thousand, one hundred thirty-six".