346135709 has 2 divisors, whose sum is σ = 346135710. Its totient is φ = 346135708.

The previous prime is 346135697. The next prime is 346135753. The reversal of 346135709 is 907531643.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 278155684 + 67980025 = 16678^2 + 8245^2 .

It is an emirp because it is prime and its reverse (907531643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 346135709 - 2¹² = 346131613 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 (346135789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173067854 + 173067855.

It is an arithmetic number, because the mean of its divisors is an integer number (173067855).

Almost surely, 2^346135709 is an apocalyptic number.

It is an amenable number.

346135709 is a deficient number, since it is larger than the sum of its proper divisors (1).

346135709 is an equidigital number, since it uses as much as digits as its factorization.

346135709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 346135709 is about 18604.7227606326. The cubic root of 346135709 is about 702.1266678083.

The spelling of 346135709 in words is "three hundred forty-six million, one hundred thirty-five thousand, seven hundred nine".