134234231 has 4 divisors (see below), whose sum is σ = 134257464. Its totient is φ = 134211000.

The previous prime is 134234203. The next prime is 134234257. The reversal of 134234231 is 132432431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 132432431 = 17 ⋅7790143.

It is a cyclic number.

It is not a de Polignac number, because 134234231 - 2²² = 130039927 is a prime.

It is a super-2 number, since 2×134234231² = 36037657544322722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134234197 and 134234206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134234201) 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, 4556 + ... + 17006.

It is an arithmetic number, because the mean of its divisors is an integer number (33564366).

Almost surely, 2^134234231 is an apocalyptic number.

134234231 is a deficient number, since it is larger than the sum of its proper divisors (23233).

134234231 is a wasteful number, since it uses less digits than its factorization.

134234231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23232.

The product of its digits is 1728, while the sum is 23.

The square root of 134234231 is about 11585.9497236955. The cubic root of 134234231 is about 512.0209837896.

Adding to 134234231 its reverse (132432431), we get a palindrome (266666662).

The spelling of 134234231 in words is "one hundred thirty-four million, two hundred thirty-four thousand, two hundred thirty-one".