8158136747 has 2 divisors, whose sum is σ = 8158136748. Its totient is φ = 8158136746.

The previous prime is 8158136729. The next prime is 8158136759. The reversal of 8158136747 is 7476318518.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8158136747 - 2⁸ = 8158136491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8158136695 and 8158136704.

It is not a weakly prime, because it can be changed into another prime (8158136717) 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, 4079068373 + 4079068374.

It is an arithmetic number, because the mean of its divisors is an integer number (4079068374).

Almost surely, 2^8158136747 is an apocalyptic number.

8158136747 is a deficient number, since it is larger than the sum of its proper divisors (1).

8158136747 is an equidigital number, since it uses as much as digits as its factorization.

8158136747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 50.

The square root of 8158136747 is about 90322.4044575874. The cubic root of 8158136747 is about 2013.0921727510.

The spelling of 8158136747 in words is "eight billion, one hundred fifty-eight million, one hundred thirty-six thousand, seven hundred forty-seven".