134235143 has 16 divisors (see below), whose sum is σ = 155520000. Its totient is φ = 113489952.

The previous prime is 134235139. The next prime is 134235173. The reversal of 134235143 is 341532431.

It is a cyclic number.

It is not a de Polignac number, because 134235143 - 2² = 134235139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134235173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186338 + ... + 187056.

It is an arithmetic number, because the mean of its divisors is an integer number (9720000).

Almost surely, 2^134235143 is an apocalyptic number.

134235143 is a deficient number, since it is larger than the sum of its proper divisors (21284857).

134235143 is a wasteful number, since it uses less digits than its factorization.

134235143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054.

The product of its digits is 4320, while the sum is 26.

The square root of 134235143 is about 11585.9890816451. The cubic root of 134235143 is about 512.0221433599.

Adding to 134235143 its reverse (341532431), we get a palindrome (475767574).

The spelling of 134235143 in words is "one hundred thirty-four million, two hundred thirty-five thousand, one hundred forty-three".