135522504135 has 40 divisors (see below), whose sum is σ = 242972191440. Its totient is φ = 72268091136.

The previous prime is 135522504127. The next prime is 135522504197. The reversal of 135522504135 is 531405225531.

135522504135 is a `hidden beast` number, since 13 + 5 + 5 + 2 + 2 + 504 + 135 = 666.

It is not a de Polignac number, because 135522504135 - 2³ = 135522504127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135522504135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3304264 + ... + 3345026.

It is an arithmetic number, because the mean of its divisors is an integer number (6074304786).

Almost surely, 2^135522504135 is an apocalyptic number.

135522504135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135522504135 is a deficient number, since it is larger than the sum of its proper divisors (107449687305).

135522504135 is an equidigital number, since it uses as much as digits as its factorization.

135522504135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48989 (or 48980 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 135522504135 its reverse (531405225531), we get a palindrome (666927729666).

The spelling of 135522504135 in words is "one hundred thirty-five billion, five hundred twenty-two million, five hundred four thousand, one hundred thirty-five".