346009129 has 2 divisors, whose sum is σ = 346009130. Its totient is φ = 346009128.

The previous prime is 346009009. The next prime is 346009201. The reversal of 346009129 is 921900643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293779600 + 52229529 = 17140^2 + 7227^2 .

It is a cyclic number.

It is not a de Polignac number, because 346009129 - 2⁹ = 346008617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 346009094 and 346009103.

It is not a weakly prime, because it can be changed into another prime (346009429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173004564 + 173004565.

It is an arithmetic number, because the mean of its divisors is an integer number (173004565).

Almost surely, 2^346009129 is an apocalyptic number.

It is an amenable number.

346009129 is a deficient number, since it is larger than the sum of its proper divisors (1).

346009129 is an equidigital number, since it uses as much as digits as its factorization.

346009129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 346009129 is about 18601.3206251599. The cubic root of 346009129 is about 702.0410693689.

The spelling of 346009129 in words is "three hundred forty-six million, nine thousand, one hundred twenty-nine".