13135265634478 has 16 divisors (see below), whose sum is σ = 21218655524976. Its totient is φ = 6062387578560.

The previous prime is 13135265634473. The next prime is 13135265634487. The reversal of 13135265634478 is 87443656253131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13135265634473) 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, 2144650 + ... + 5556082.

It is an arithmetic number, because the mean of its divisors is an integer number (1326165970311).

Almost surely, 2^{13135265634478} is an apocalyptic number.

13135265634478 is a deficient number, since it is larger than the sum of its proper divisors (8083389890498).

13135265634478 is a wasteful number, since it uses less digits than its factorization.

13135265634478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559539.

The product of its digits is 43545600, while the sum is 58.

The spelling of 13135265634478 in words is "thirteen trillion, one hundred thirty-five billion, two hundred sixty-five million, six hundred thirty-four thousand, four hundred seventy-eight".