1380318353 has 2 divisors, whose sum is σ = 1380318354. Its totient is φ = 1380318352.

The previous prime is 1380318319. The next prime is 1380318371. The reversal of 1380318353 is 3538130831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1050278464 + 330039889 = 32408^2 + 18167^2 .

It is a cyclic number.

It is not a de Polignac number, because 1380318353 - 2²⁰ = 1379269777 is a prime.

It is not a weakly prime, because it can be changed into another prime (1380318053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690159176 + 690159177.

It is an arithmetic number, because the mean of its divisors is an integer number (690159177).

Almost surely, 2^1380318353 is an apocalyptic number.

It is an amenable number.

1380318353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380318353 is an equidigital number, since it uses as much as digits as its factorization.

1380318353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1380318353 is about 37152.6358822628. The cubic root of 1380318353 is about 1113.4218870026.

The spelling of 1380318353 in words is "one billion, three hundred eighty million, three hundred eighteen thousand, three hundred fifty-three".