1136721163 has 2 divisors, whose sum is σ = 1136721164. Its totient is φ = 1136721162.

The previous prime is 1136721143. The next prime is 1136721217. The reversal of 1136721163 is 3611276311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1136721163 - 2²¹ = 1134624011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1136721143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568360581 + 568360582.

It is an arithmetic number, because the mean of its divisors is an integer number (568360582).

Almost surely, 2^1136721163 is an apocalyptic number.

1136721163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136721163 is an equidigital number, since it uses as much as digits as its factorization.

1136721163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 1136721163 is about 33715.2956831169. The cubic root of 1136721163 is about 1043.6414396132.

Adding to 1136721163 its reverse (3611276311), we get a palindrome (4747997474).

It can be divided in two parts, 113 and 6721163, that added together give a palindrome (6721276).

The spelling of 1136721163 in words is "one billion, one hundred thirty-six million, seven hundred twenty-one thousand, one hundred sixty-three".