13135045452244 has 24 divisors (see below), whose sum is σ = 23571916951968. Its totient is φ = 6400874655840.

The previous prime is 13135045452173. The next prime is 13135045452247. The reversal of 13135045452244 is 44225454053131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 13135045452244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13135045452247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82747762 + ... + 82906345.

It is an arithmetic number, because the mean of its divisors is an integer number (982163206332).

Almost surely, 2^{13135045452244} is an apocalyptic number.

It is an amenable number.

13135045452244 is a deficient number, since it is larger than the sum of its proper divisors (10436871499724).

13135045452244 is a wasteful number, since it uses less digits than its factorization.

13135045452244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165654615 (or 165654613 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 13135045452244 in words is "thirteen trillion, one hundred thirty-five billion, forty-five million, four hundred fifty-two thousand, two hundred forty-four".