134643235 has 4 divisors (see below), whose sum is σ = 161571888. Its totient is φ = 107714584.

The previous prime is 134643233. The next prime is 134643239. The reversal of 134643235 is 532346431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134643235 - 2¹ = 134643233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134643197 and 134643206.

It is not an unprimeable number, because it can be changed into a prime (134643233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13464319 + ... + 13464328.

It is an arithmetic number, because the mean of its divisors is an integer number (40392972).

Almost surely, 2^134643235 is an apocalyptic number.

134643235 is a deficient number, since it is larger than the sum of its proper divisors (26928653).

134643235 is an equidigital number, since it uses as much as digits as its factorization.

134643235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26928652.

The product of its digits is 25920, while the sum is 31.

The square root of 134643235 is about 11603.5871608740. The cubic root of 134643235 is about 512.5404893651.

Adding to 134643235 its reverse (532346431), we get a palindrome (666989666).

The spelling of 134643235 in words is "one hundred thirty-four million, six hundred forty-three thousand, two hundred thirty-five".