135605264533 has 8 divisors (see below), whose sum is σ = 136076435352. Its totient is φ = 135134501376.

The previous prime is 135605264527. The next prime is 135605264567. The reversal of 135605264533 is 335462506531.

It can be written as a sum of positive squares in 4 ways, for example, as 3892886449 + 131712378084 = 62393^2 + 362922^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135605264533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135605264533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135605264593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572241 + ... + 773737.

It is an arithmetic number, because the mean of its divisors is an integer number (17009554419).

Almost surely, 2^135605264533 is an apocalyptic number.

It is an amenable number.

135605264533 is a deficient number, since it is larger than the sum of its proper divisors (471170819).

135605264533 is a wasteful number, since it uses less digits than its factorization.

135605264533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203831.

The product of its (nonzero) digits is 972000, while the sum is 43.

The spelling of 135605264533 in words is "one hundred thirty-five billion, six hundred five million, two hundred sixty-four thousand, five hundred thirty-three".