135078 has 16 divisors (see below), whose sum is σ = 276480. Its totient is φ = 43976.

The previous prime is 135077. The next prime is 135089. The reversal of 135078 is 870531.

135078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43 + ... + 521.

It is an arithmetic number, because the mean of its divisors is an integer number (17280).

2¹³⁵⁰⁷⁸ is an apocalyptic number.

135078 is an abundant number, since it is smaller than the sum of its proper divisors (141402).

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

135078 is a wasteful number, since it uses less digits than its factorization.

135078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 135078 is about 367.5295906454. The cubic root of 135078 is about 51.3091563591.

The spelling of 135078 in words is "one hundred thirty-five thousand, seventy-eight".