13335140136465 has 48 divisors (see below), whose sum is σ = 26416535079168. Its totient is φ = 6096004645248.

The previous prime is 13335140136463. The next prime is 13335140136599. The reversal of 13335140136465 is 56463104153331.

It is a happy number.

13335140136465 is a `hidden beast` number, since 1 + 3 + 3 + 3 + 51 + 4 + 0 + 136 + 465 = 666.

It is not a de Polignac number, because 13335140136465 - 2¹ = 13335140136463 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13335140136465.

It is not an unprimeable number, because it can be changed into a prime (13335140136463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60099307 + ... + 60320783.

It is an arithmetic number, because the mean of its divisors is an integer number (550344480816).

Almost surely, 2^{13335140136465} is an apocalyptic number.

13335140136465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13335140136465 is a deficient number, since it is larger than the sum of its proper divisors (13081394942703).

13335140136465 is a wasteful number, since it uses less digits than its factorization.

13335140136465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412638 (or 412635 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

Adding to 13335140136465 its reverse (56463104153331), we get a palindrome (69798244289796).

The spelling of 13335140136465 in words is "thirteen trillion, three hundred thirty-five billion, one hundred forty million, one hundred thirty-six thousand, four hundred sixty-five".