390141317 has 2 divisors, whose sum is σ = 390141318. Its totient is φ = 390141316.

The previous prime is 390141289. The next prime is 390141319. The reversal of 390141317 is 713141093.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298632961 + 91508356 = 17281^2 + 9566^2 .

It is a cyclic number.

It is not a de Polignac number, because 390141317 - 2¹² = 390137221 is a prime.

Together with 390141319, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 390141317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390141319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195070658 + 195070659.

It is an arithmetic number, because the mean of its divisors is an integer number (195070659).

Almost surely, 2^390141317 is an apocalyptic number.

It is an amenable number.

390141317 is a deficient number, since it is larger than the sum of its proper divisors (1).

390141317 is an equidigital number, since it uses as much as digits as its factorization.

390141317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 390141317 is about 19751.9952663016. The cubic root of 390141317 is about 730.7025930994.

The spelling of 390141317 in words is "three hundred ninety million, one hundred forty-one thousand, three hundred seventeen".