135502502053 has 4 divisors (see below), whose sum is σ = 135503296588. Its totient is φ = 135501707520.

The previous prime is 135502502039. The next prime is 135502502077. The reversal of 135502502053 is 350205205531.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 48416721444 + 87085780609 = 220038^2 + 295103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135502502053 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 (135502502153) 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 3 ways as a sum of consecutive naturals, for example, 25458 + ... + 521203.

It is an arithmetic number, because the mean of its divisors is an integer number (33875824147).

Almost surely, 2^135502502053 is an apocalyptic number.

It is an amenable number.

135502502053 is a deficient number, since it is larger than the sum of its proper divisors (794535).

135502502053 is an equidigital number, since it uses as much as digits as its factorization.

135502502053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794534.

The product of its (nonzero) digits is 22500, while the sum is 31.

Adding to 135502502053 its reverse (350205205531), we get a palindrome (485707707584).

The spelling of 135502502053 in words is "one hundred thirty-five billion, five hundred two million, five hundred two thousand, fifty-three".