234140434 has 8 divisors (see below), whose sum is σ = 383138928. Its totient is φ = 106427460.

The previous prime is 234140369. The next prime is 234140453. The reversal of 234140434 is 434041432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 234140399 and 234140408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5321352 + ... + 5321395.

It is an arithmetic number, because the mean of its divisors is an integer number (47892366).

Almost surely, 2^234140434 is an apocalyptic number.

234140434 is a deficient number, since it is larger than the sum of its proper divisors (148998494).

234140434 is a wasteful number, since it uses less digits than its factorization.

234140434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10642760.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 234140434 is about 15301.6480811709. The cubic root of 234140434 is about 616.3472647708.

Adding to 234140434 its reverse (434041432), we get a palindrome (668181866).

The spelling of 234140434 in words is "two hundred thirty-four million, one hundred forty thousand, four hundred thirty-four".