135366389547839 has 16 divisors (see below), whose sum is σ = 135716585141760. Its totient is φ = 135016669869120.

The previous prime is 135366389547811. The next prime is 135366389547847. The reversal of 135366389547839 is 938745983663531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135366389547839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135366389547889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5584640282 + ... + 5584664520.

It is an arithmetic number, because the mean of its divisors is an integer number (8482286571360).

Almost surely, 2^{135366389547839} is an apocalyptic number.

135366389547839 is a deficient number, since it is larger than the sum of its proper divisors (350195593921).

135366389547839 is a wasteful number, since it uses less digits than its factorization.

135366389547839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33470.

The product of its digits is 10581580800, while the sum is 80.

The spelling of 135366389547839 in words is "one hundred thirty-five trillion, three hundred sixty-six billion, three hundred eighty-nine million, five hundred forty-seven thousand, eight hundred thirty-nine".