234134309 has 2 divisors, whose sum is σ = 234134310. Its totient is φ = 234134308.

The previous prime is 234134239. The next prime is 234134339. The reversal of 234134309 is 903431432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146337409 + 87796900 = 12097^2 + 9370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234134309 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234134339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117067154 + 117067155.

It is an arithmetic number, because the mean of its divisors is an integer number (117067155).

Almost surely, 2^234134309 is an apocalyptic number.

It is an amenable number.

234134309 is a deficient number, since it is larger than the sum of its proper divisors (1).

234134309 is an equidigital number, since it uses as much as digits as its factorization.

234134309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 234134309 is about 15301.4479380221. The cubic root of 234134309 is about 616.3418902756.

The spelling of 234134309 in words is "two hundred thirty-four million, one hundred thirty-four thousand, three hundred nine".