13135133510540 has 24 divisors (see below), whose sum is σ = 27768906421200. Its totient is φ = 5218791299648.

The previous prime is 13135133510503. The next prime is 13135133510557. The reversal of 13135133510540 is 4501533153131.

It is a self number, because there is not a number n which added to its sum of digits gives 13135133510540.

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, 2203878482 + ... + 2203884441.

It is an arithmetic number, because the mean of its divisors is an integer number (1157037767550).

Almost surely, 2^{13135133510540} is an apocalyptic number.

13135133510540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13135133510540 is an abundant number, since it is smaller than the sum of its proper divisors (14633772910660).

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

13135133510540 is a wasteful number, since it uses less digits than its factorization.

13135133510540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407763081 (or 4407763079 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 35.

Adding to 13135133510540 its reverse (4501533153131), we get a palindrome (17636666663671).

The spelling of 13135133510540 in words is "thirteen trillion, one hundred thirty-five billion, one hundred thirty-three million, five hundred ten thousand, five hundred forty".