13366839145 has 24 divisors (see below), whose sum is σ = 17686843272. Its totient is φ = 9690531840.

The previous prime is 13366839133. The next prime is 13366839173. The reversal of 13366839145 is 54193866331.

It can be written as a sum of positive squares in 4 ways, for example, as 2398256784 + 10968582361 = 48972^2 + 104731^2 .

It is not a de Polignac number, because 13366839145 - 2¹⁵ = 13366806377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156937 + ... + 226633.

It is an arithmetic number, because the mean of its divisors is an integer number (736951803).

Almost surely, 2^13366839145 is an apocalyptic number.

It is an amenable number.

13366839145 is a deficient number, since it is larger than the sum of its proper divisors (4320004127).

13366839145 is a wasteful number, since it uses less digits than its factorization.

13366839145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70041 (or 70030 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 49.

The spelling of 13366839145 in words is "thirteen billion, three hundred sixty-six million, eight hundred thirty-nine thousand, one hundred forty-five".