135535305352125 has 64 divisors (see below), whose sum is σ = 258101066396160. Its totient is φ = 61874467891200.

The previous prime is 135535305352099. The next prime is 135535305352147. The reversal of 135535305352125 is 521253503535531.

It is not a de Polignac number, because 135535305352125 - 2⁹ = 135535305351613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33295860 + ... + 37144109.

It is an arithmetic number, because the mean of its divisors is an integer number (4032829162440).

Almost surely, 2^{135535305352125} is an apocalyptic number.

135535305352125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135535305352125 is a deficient number, since it is larger than the sum of its proper divisors (122565761044035).

135535305352125 is an equidigital number, since it uses as much as digits as its factorization.

135535305352125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70440727 (or 70440717 counting only the distinct ones).

The product of its (nonzero) digits is 5062500, while the sum is 48.

Adding to 135535305352125 its reverse (521253503535531), we get a palindrome (656788808887656).

The spelling of 135535305352125 in words is "one hundred thirty-five trillion, five hundred thirty-five billion, three hundred five million, three hundred fifty-two thousand, one hundred twenty-five".