2636530140137 has 8 divisors (see below), whose sum is σ = 2653787607240. Its totient is φ = 2619322623360.

The previous prime is 2636530140109. The next prime is 2636530140149. The reversal of 2636530140137 is 7310410356362.

It can be written as a sum of positive squares in 4 ways, for example, as 1116564168976 + 1519965971161 = 1056676^2 + 1232869^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2636530140137 - 2⁴⁰ = 1537018512361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2636530140094 and 2636530140103.

It is not an unprimeable number, because it can be changed into a prime (2636530140187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12381668 + ... + 12592805.

It is an arithmetic number, because the mean of its divisors is an integer number (331723450905).

Almost surely, 2^{2636530140137} is an apocalyptic number.

It is an amenable number.

2636530140137 is a deficient number, since it is larger than the sum of its proper divisors (17257467103).

2636530140137 is a wasteful number, since it uses less digits than its factorization.

2636530140137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24975163.

The product of its (nonzero) digits is 272160, while the sum is 41.

Adding to 2636530140137 its reverse (7310410356362), we get a palindrome (9946940496499).

The spelling of 2636530140137 in words is "two trillion, six hundred thirty-six billion, five hundred thirty million, one hundred forty thousand, one hundred thirty-seven".