1136868647 has 2 divisors, whose sum is σ = 1136868648. Its totient is φ = 1136868646.

The previous prime is 1136868641. The next prime is 1136868683. The reversal of 1136868647 is 7468686311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1136868647 - 2⁴ = 1136868631 is a prime.

It is a super-2 number, since 2×1136868647² = 2584940641063221218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1136868595 and 1136868604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1136868641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568434323 + 568434324.

It is an arithmetic number, because the mean of its divisors is an integer number (568434324).

Almost surely, 2^1136868647 is an apocalyptic number.

1136868647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136868647 is an equidigital number, since it uses as much as digits as its factorization.

1136868647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 50.

The square root of 1136868647 is about 33717.4828093676. The cubic root of 1136868647 is about 1043.6865734487.

The spelling of 1136868647 in words is "one billion, one hundred thirty-six million, eight hundred sixty-eight thousand, six hundred forty-seven".