134143838 has 16 divisors (see below), whose sum is σ = 224266320. Its totient is φ = 59803776.

The previous prime is 134143837. The next prime is 134143871. The reversal of 134143838 is 838341431.

It is a junction number, because it is equal to n+sod(n) for n = 134143798 and 134143807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134143837) 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, 103181 + ... + 104472.

It is an arithmetic number, because the mean of its divisors is an integer number (14016645).

Almost surely, 2^134143838 is an apocalyptic number.

134143838 is a deficient number, since it is larger than the sum of its proper divisors (90122482).

134143838 is a wasteful number, since it uses less digits than its factorization.

134143838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207691.

The product of its digits is 27648, while the sum is 35.

The square root of 134143838 is about 11582.0480917668. The cubic root of 134143838 is about 511.9060267594.

The spelling of 134143838 in words is "one hundred thirty-four million, one hundred forty-three thousand, eight hundred thirty-eight".