8000137843 has 2 divisors, whose sum is σ = 8000137844. Its totient is φ = 8000137842.

The previous prime is 8000137829. The next prime is 8000137903. The reversal of 8000137843 is 3487310008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8000137843 - 2⁵ = 8000137811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8000137799 and 8000137808.

It is not a weakly prime, because it can be changed into another prime (8000137043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4000068921 + 4000068922.

It is an arithmetic number, because the mean of its divisors is an integer number (4000068922).

Almost surely, 2^8000137843 is an apocalyptic number.

8000137843 is a deficient number, since it is larger than the sum of its proper divisors (1).

8000137843 is an equidigital number, since it uses as much as digits as its factorization.

8000137843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 8000137843 is about 89443.4896624679. The cubic root of 8000137843 is about 2000.0114868507.

The spelling of 8000137843 in words is "eight billion, one hundred thirty-seven thousand, eight hundred forty-three".