135258852532 has 24 divisors (see below), whose sum is σ = 240355934280. Its totient is φ = 66592035840.

The previous prime is 135258852503. The next prime is 135258852539. The reversal of 135258852532 is 235258852531.

It can be written as a sum of positive squares in 4 ways, for example, as 35046086436 + 100212766096 = 187206^2 + 316564^2 .

It is a super-2 number, since 2×135258852532² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135258852539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702463 + ... + 874054.

It is an arithmetic number, because the mean of its divisors is an integer number (10014830595).

Almost surely, 2^135258852532 is an apocalyptic number.

It is an amenable number.

135258852532 is a deficient number, since it is larger than the sum of its proper divisors (105097081748).

135258852532 is a wasteful number, since it uses less digits than its factorization.

135258852532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576851 (or 1576849 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 49.

Subtracting 135258852532 from its reverse (235258852531), we obtain a palindrome (99999999999).

The spelling of 135258852532 in words is "one hundred thirty-five billion, two hundred fifty-eight million, eight hundred fifty-two thousand, five hundred thirty-two".