1138351363 has 2 divisors, whose sum is σ = 1138351364. Its totient is φ = 1138351362.

The previous prime is 1138351343. The next prime is 1138351381. The reversal of 1138351363 is 3631538311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1138351363 is a prime.

It is not a weakly prime, because it can be changed into another prime (1138351303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569175681 + 569175682.

It is an arithmetic number, because the mean of its divisors is an integer number (569175682).

Almost surely, 2^1138351363 is an apocalyptic number.

1138351363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138351363 is an equidigital number, since it uses as much as digits as its factorization.

1138351363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 1138351363 is about 33739.4629921699. The cubic root of 1138351363 is about 1044.1401053266.

Adding to 1138351363 its reverse (3631538311), we get a palindrome (4769889674).

The spelling of 1138351363 in words is "one billion, one hundred thirty-eight million, three hundred fifty-one thousand, three hundred sixty-three".