234840134 has 4 divisors (see below), whose sum is σ = 352260204. Its totient is φ = 117420066.

The previous prime is 234840127. The next prime is 234840139. The reversal of 234840134 is 431048432.

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

It is a junction number, because it is equal to n+sod(n) for n = 234840097 and 234840106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234840139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58710032 + ... + 58710035.

It is an arithmetic number, because the mean of its divisors is an integer number (88065051).

Almost surely, 2^234840134 is an apocalyptic number.

234840134 is a deficient number, since it is larger than the sum of its proper divisors (117420070).

234840134 is a wasteful number, since it uses less digits than its factorization.

234840134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117420069.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 234840134 is about 15324.4945756785. The cubic root of 234840134 is about 616.9606136318.

Adding to 234840134 its reverse (431048432), we get a palindrome (665888566).

The spelling of 234840134 in words is "two hundred thirty-four million, eight hundred forty thousand, one hundred thirty-four".