1138291163 has 2 divisors, whose sum is σ = 1138291164. Its totient is φ = 1138291162.

The previous prime is 1138291157. The next prime is 1138291211. The reversal of 1138291163 is 3611928311.

It is a weak prime.

It is an emirp because it is prime and its reverse (3611928311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1138291163 - 2¹² = 1138287067 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1138291663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569145581 + 569145582.

It is an arithmetic number, because the mean of its divisors is an integer number (569145582).

Almost surely, 2^1138291163 is an apocalyptic number.

1138291163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138291163 is an equidigital number, since it uses as much as digits as its factorization.

1138291163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 35.

The square root of 1138291163 is about 33738.5708499930. The cubic root of 1138291163 is about 1044.1216990757.

The spelling of 1138291163 in words is "one billion, one hundred thirty-eight million, two hundred ninety-one thousand, one hundred sixty-three".