135605574700555 has 16 divisors (see below), whose sum is σ = 163167932701440. Its totient is φ = 108190688123232.

The previous prime is 135605574700553. The next prime is 135605574700571. The reversal of 135605574700555 is 555007475506531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 135605574700555 - 2¹ = 135605574700553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135605574700555.

It is not an unprimeable number, because it can be changed into a prime (135605574700553) 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, 21620589 + ... + 27178318.

It is an arithmetic number, because the mean of its divisors is an integer number (10197995793840).

Almost surely, 2^{135605574700555} is an apocalyptic number.

135605574700555 is a deficient number, since it is larger than the sum of its proper divisors (27562358000885).

135605574700555 is an equidigital number, since it uses as much as digits as its factorization.

135605574700555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48800418.

The product of its (nonzero) digits is 55125000, while the sum is 58.

The spelling of 135605574700555 in words is "one hundred thirty-five trillion, six hundred five billion, five hundred seventy-four million, seven hundred thousand, five hundred fifty-five".