135087828 has 24 divisors (see below), whose sum is σ = 315416640. Its totient is φ = 44999040.

The previous prime is 135087791. The next prime is 135087833. The reversal of 135087828 is 828780531.

It is a happy number.

135087828 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 135087828.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 21708 + ... + 27228.

It is an arithmetic number, because the mean of its divisors is an integer number (13142360).

Almost surely, 2^135087828 is an apocalyptic number.

It is an amenable number.

135087828 is an abundant number, since it is smaller than the sum of its proper divisors (180328812).

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

135087828 is a wasteful number, since it uses less digits than its factorization.

135087828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7567 (or 7565 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 135087828 is about 11622.7289394531. The cubic root of 135087828 is about 513.1040071219.

The spelling of 135087828 in words is "one hundred thirty-five million, eighty-seven thousand, eight hundred twenty-eight".