127338539 has 2 divisors, whose sum is σ = 127338540. Its totient is φ = 127338538.

The previous prime is 127338521. The next prime is 127338569. The reversal of 127338539 is 935833721.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127338539 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 127338496 and 127338505.

It is not a weakly prime, because it can be changed into another prime (127338569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63669269 + 63669270.

It is an arithmetic number, because the mean of its divisors is an integer number (63669270).

Almost surely, 2^127338539 is an apocalyptic number.

127338539 is a deficient number, since it is larger than the sum of its proper divisors (1).

127338539 is an equidigital number, since it uses as much as digits as its factorization.

127338539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 41.

The square root of 127338539 is about 11284.4379124527. The cubic root of 127338539 is about 503.0988071135.

The spelling of 127338539 in words is "one hundred twenty-seven million, three hundred thirty-eight thousand, five hundred thirty-nine".