135078838 has 16 divisors (see below), whose sum is σ = 214755840. Its totient is φ = 63501696.

The previous prime is 135078817. The next prime is 135078859. The reversal of 135078838 is 838870531.

135078838 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135078817) and next prime (135078859).

It is a junction number, because it is equal to n+sod(n) for n = 135078794 and 135078803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55348 + ... + 57736.

It is an arithmetic number, because the mean of its divisors is an integer number (13422240).

Almost surely, 2^135078838 is an apocalyptic number.

135078838 is a deficient number, since it is larger than the sum of its proper divisors (79677002).

135078838 is a wasteful number, since it uses less digits than its factorization.

135078838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 135078838 is about 11622.3421907979. The cubic root of 135078838 is about 513.0926246324.

The spelling of 135078838 in words is "one hundred thirty-five million, seventy-eight thousand, eight hundred thirty-eight".