234140305 has 8 divisors (see below), whose sum is σ = 321106752. Its totient is φ = 160553328.

The previous prime is 234140297. The next prime is 234140339. The reversal of 234140305 is 503041432.

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

It is a cyclic number.

It is not a de Polignac number, because 234140305 - 2³ = 234140297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3344827 + ... + 3344896.

It is an arithmetic number, because the mean of its divisors is an integer number (40138344).

Almost surely, 2^234140305 is an apocalyptic number.

It is an amenable number.

234140305 is a deficient number, since it is larger than the sum of its proper divisors (86966447).

234140305 is an equidigital number, since it uses as much as digits as its factorization.

234140305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6689735.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 234140305 is about 15301.6438659381. The cubic root of 234140305 is about 616.3471515783.

Adding to 234140305 its reverse (503041432), we get a palindrome (737181737).

The spelling of 234140305 in words is "two hundred thirty-four million, one hundred forty thousand, three hundred five".