135326388 has 24 divisors (see below), whose sum is σ = 329491008. Its totient is φ = 43147456.

The previous prime is 135326381. The next prime is 135326407. The reversal of 135326388 is 883623531.

135326388 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135326381) by changing a digit.

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, 244881 + ... + 245432.

It is an arithmetic number, because the mean of its divisors is an integer number (13728792).

Almost surely, 2^135326388 is an apocalyptic number.

It is an amenable number.

135326388 is an abundant number, since it is smaller than the sum of its proper divisors (194164620).

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

135326388 is a wasteful number, since it uses less digits than its factorization.

135326388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490343 (or 490341 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 135326388 is about 11632.9870626594. The cubic root of 135326388 is about 513.4058702616.

The spelling of 135326388 in words is "one hundred thirty-five million, three hundred twenty-six thousand, three hundred eighty-eight".