135513505033 has 4 divisors (see below), whose sum is σ = 143484887700. Its totient is φ = 127542122368.

The previous prime is 135513505027. The next prime is 135513505037. The reversal of 135513505033 is 330505315531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44703490624 + 90810014409 = 211432^2 + 301347^2 .

It is a cyclic number.

It is not a de Polignac number, because 135513505033 - 2²¹ = 135511407881 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 135513505033.

It is not an unprimeable number, because it can be changed into a prime (135513505037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3985691308 + ... + 3985691341.

It is an arithmetic number, because the mean of its divisors is an integer number (35871221925).

Almost surely, 2^135513505033 is an apocalyptic number.

It is an amenable number.

135513505033 is a deficient number, since it is larger than the sum of its proper divisors (7971382667).

135513505033 is an equidigital number, since it uses as much as digits as its factorization.

135513505033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7971382666.

The product of its (nonzero) digits is 50625, while the sum is 34.

The spelling of 135513505033 in words is "one hundred thirty-five billion, five hundred thirteen million, five hundred five thousand, thirty-three".