1380220013 has 2 divisors, whose sum is σ = 1380220014. Its totient is φ = 1380220012.

The previous prime is 1380219961. The next prime is 1380220057. The reversal of 1380220013 is 3100220831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 753118249 + 627101764 = 27443^2 + 25042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1380220013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1380222013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690110006 + 690110007.

It is an arithmetic number, because the mean of its divisors is an integer number (690110007).

Almost surely, 2^1380220013 is an apocalyptic number.

It is an amenable number.

1380220013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380220013 is an equidigital number, since it uses as much as digits as its factorization.

1380220013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1380220013 is about 37151.3123994294. The cubic root of 1380220013 is about 1113.3954446705.

Adding to 1380220013 its reverse (3100220831), we get a palindrome (4480440844).

The spelling of 1380220013 in words is "one billion, three hundred eighty million, two hundred twenty thousand, thirteen".