1363136161 has 2 divisors, whose sum is σ = 1363136162. Its totient is φ = 1363136160.

The previous prime is 1363136153. The next prime is 1363136167. The reversal of 1363136161 is 1616313631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1287446161 + 75690000 = 35881^2 + 8700^2 .

It is a cyclic number.

It is not a de Polignac number, because 1363136161 - 2³ = 1363136153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1363136167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681568080 + 681568081.

It is an arithmetic number, because the mean of its divisors is an integer number (681568081).

Almost surely, 2^1363136161 is an apocalyptic number.

It is an amenable number.

1363136161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363136161 is an equidigital number, since it uses as much as digits as its factorization.

1363136161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 31.

The square root of 1363136161 is about 36920.6738968833. The cubic root of 1363136161 is about 1108.7826279690.

Adding to 1363136161 its reverse (1616313631), we get a palindrome (2979449792).

The spelling of 1363136161 in words is "one billion, three hundred sixty-three million, one hundred thirty-six thousand, one hundred sixty-one".