135145066665559 has 2 divisors, whose sum is σ = 135145066665560. Its totient is φ = 135145066665558.

The previous prime is 135145066665481. The next prime is 135145066665563. The reversal of 135145066665559 is 955566660541531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135145066665559 - 2²⁹ = 135144529794647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135145066665494 and 135145066665503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135145066665599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67572533332779 + 67572533332780.

It is an arithmetic number, because the mean of its divisors is an integer number (67572533332780).

Almost surely, 2^{135145066665559} is an apocalyptic number.

135145066665559 is a deficient number, since it is larger than the sum of its proper divisors (1).

135145066665559 is an equidigital number, since it uses as much as digits as its factorization.

135145066665559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 437400000, while the sum is 67.

The spelling of 135145066665559 in words is "one hundred thirty-five trillion, one hundred forty-five billion, sixty-six million, six hundred sixty-five thousand, five hundred fifty-nine".