135308128 has 24 divisors (see below), whose sum is σ = 270041688. Its totient is φ = 66726144.

The previous prime is 135308081. The next prime is 135308161. The reversal of 135308128 is 821803531.

It is a self number, because there is not a number n which added to its sum of digits gives 135308128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26626 + ... + 31297.

It is an arithmetic number, because the mean of its divisors is an integer number (11251737).

Almost surely, 2^135308128 is an apocalyptic number.

It is an amenable number.

135308128 is a deficient number, since it is larger than the sum of its proper divisors (134733560).

135308128 is an equidigital number, since it uses as much as digits as its factorization.

135308128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58006 (or 57998 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 135308128 is about 11632.2021990679. The cubic root of 135308128 is about 513.3827774192.

The spelling of 135308128 in words is "one hundred thirty-five million, three hundred eight thousand, one hundred twenty-eight".