135124528 has 80 divisors (see below), whose sum is σ = 331478784. Its totient is φ = 51828480.

The previous prime is 135124501. The next prime is 135124537. The reversal of 135124528 is 825421531.

It is a self number, because there is not a number n which added to its sum of digits gives 135124528.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81726 + ... + 83362.

Almost surely, 2^135124528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135124528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165739392).

135124528 is an abundant number, since it is smaller than the sum of its proper divisors (196354256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135124528 is a wasteful number, since it uses less digits than its factorization.

135124528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730 (or 1724 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 135124528 is about 11624.3076352960. The cubic root of 135124528 is about 513.1504687765.

The spelling of 135124528 in words is "one hundred thirty-five million, one hundred twenty-four thousand, five hundred twenty-eight".