135775388 has 12 divisors (see below), whose sum is σ = 271550832. Its totient is φ = 58189440.

The previous prime is 135775373. The next prime is 135775397. The reversal of 135775388 is 883577531.

135775388 is an admirable number.

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, 2424533 + ... + 2424588.

It is an arithmetic number, because the mean of its divisors is an integer number (22629236).

Almost surely, 2^135775388 is an apocalyptic number.

It is an amenable number.

135775388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

135775388 is a wasteful number, since it uses less digits than its factorization.

135775388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4849132 (or 4849130 counting only the distinct ones).

The product of its digits is 705600, while the sum is 47.

The square root of 135775388 is about 11652.2696501583. The cubic root of 135775388 is about 513.9730539453.

The spelling of 135775388 in words is "one hundred thirty-five million, seven hundred seventy-five thousand, three hundred eighty-eight".