135305878 has 8 divisors (see below), whose sum is σ = 213640920. Its totient is φ = 64092240.

The previous prime is 135305867. The next prime is 135305881. The reversal of 135305878 is 878503531.

135305878 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 135305878.

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, 1780303 + ... + 1780378.

It is an arithmetic number, because the mean of its divisors is an integer number (26705115).

Almost surely, 2^135305878 is an apocalyptic number.

135305878 is a deficient number, since it is larger than the sum of its proper divisors (78335042).

135305878 is a wasteful number, since it uses less digits than its factorization.

135305878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560702.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 135305878 is about 11632.1054843910. The cubic root of 135305878 is about 513.3799317718.

The spelling of 135305878 in words is "one hundred thirty-five million, three hundred five thousand, eight hundred seventy-eight".