68080134739 has 2 divisors, whose sum is σ = 68080134740. Its totient is φ = 68080134738.

The previous prime is 68080134653. The next prime is 68080134769. The reversal of 68080134739 is 93743108086.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68080134739 - 2⁷ = 68080134611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68080134692 and 68080134701.

It is not a weakly prime, because it can be changed into another prime (68080134769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34040067369 + 34040067370.

It is an arithmetic number, because the mean of its divisors is an integer number (34040067370).

Almost surely, 2^68080134739 is an apocalyptic number.

68080134739 is a deficient number, since it is larger than the sum of its proper divisors (1).

68080134739 is an equidigital number, since it uses as much as digits as its factorization.

68080134739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 68080134739 in words is "sixty-eight billion, eighty million, one hundred thirty-four thousand, seven hundred thirty-nine".