134235138 has 16 divisors (see below), whose sum is σ = 270980640. Its totient is φ = 44326656.

The previous prime is 134235131. The next prime is 134235139. The reversal of 134235138 is 831532431.

134235138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134235131) 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, 103903 + ... + 105186.

It is an arithmetic number, because the mean of its divisors is an integer number (16936290).

Almost surely, 2^134235138 is an apocalyptic number.

134235138 is an abundant number, since it is smaller than the sum of its proper divisors (136745502).

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

134235138 is a wasteful number, since it uses less digits than its factorization.

134235138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209201.

The product of its digits is 8640, while the sum is 30.

The square root of 134235138 is about 11585.9888658673. The cubic root of 134235138 is about 512.0221370027.

Adding to 134235138 its reverse (831532431), we get a palindrome (965767569).

The spelling of 134235138 in words is "one hundred thirty-four million, two hundred thirty-five thousand, one hundred thirty-eight".