13135652122540 has 12 divisors (see below), whose sum is σ = 27584869457376. Its totient is φ = 5254260849008.

The previous prime is 13135652122531. The next prime is 13135652122577. The reversal of 13135652122540 is 4522125653131.

It is a junction number, because it is equal to n+sod(n) for n = 13135652122493 and 13135652122502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328391303044 + ... + 328391303083.

It is an arithmetic number, because the mean of its divisors is an integer number (2298739121448).

Almost surely, 2^{13135652122540} is an apocalyptic number.

13135652122540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13135652122540 is an abundant number, since it is smaller than the sum of its proper divisors (14449217334836).

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

13135652122540 is a wasteful number, since it uses less digits than its factorization.

13135652122540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656782606136 (or 656782606134 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 13135652122540 its reverse (4522125653131), we get a palindrome (17657777775671).

The spelling of 13135652122540 in words is "thirteen trillion, one hundred thirty-five billion, six hundred fifty-two million, one hundred twenty-two thousand, five hundred forty".