348136709 has 2 divisors, whose sum is σ = 348136710. Its totient is φ = 348136708.

The previous prime is 348136703. The next prime is 348136741. The reversal of 348136709 is 907631843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187607809 + 160528900 = 13697^2 + 12670^2 .

It is a cyclic number.

It is not a de Polignac number, because 348136709 - 2²⁴ = 331359493 is a prime.

It is a super-3 number, since 3×348136709³ (a number of 27 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348136703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174068354 + 174068355.

It is an arithmetic number, because the mean of its divisors is an integer number (174068355).

Almost surely, 2^348136709 is an apocalyptic number.

It is an amenable number.

348136709 is a deficient number, since it is larger than the sum of its proper divisors (1).

348136709 is an equidigital number, since it uses as much as digits as its factorization.

348136709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 348136709 is about 18658.4219321999. The cubic root of 348136709 is about 703.4770599161.

The spelling of 348136709 in words is "three hundred forty-eight million, one hundred thirty-six thousand, seven hundred nine".