127994389140347 has 2 divisors, whose sum is σ = 127994389140348. Its totient is φ = 127994389140346.

The previous prime is 127994389140269. The next prime is 127994389140427. The reversal of 127994389140347 is 743041983499721.

It is a weak prime.

It is an emirp because it is prime and its reverse (743041983499721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127994389140347 - 2¹⁴ = 127994389123963 is a prime.

It is not a weakly prime, because it can be changed into another prime (127994389140647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63997194570173 + 63997194570174.

It is an arithmetic number, because the mean of its divisors is an integer number (63997194570174).

Almost surely, 2^{127994389140347} is an apocalyptic number.

127994389140347 is a deficient number, since it is larger than the sum of its proper divisors (1).

127994389140347 is an equidigital number, since it uses as much as digits as its factorization.

127994389140347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 329204736, while the sum is 71.

The spelling of 127994389140347 in words is "one hundred twenty-seven trillion, nine hundred ninety-four billion, three hundred eighty-nine million, one hundred forty thousand, three hundred forty-seven".