127338137 has 2 divisors, whose sum is σ = 127338138. Its totient is φ = 127338136.

The previous prime is 127338121. The next prime is 127338161. The reversal of 127338137 is 731833721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69288976 + 58049161 = 8324^2 + 7619^2 .

It is an emirp because it is prime and its reverse (731833721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127338137 - 2⁴ = 127338121 is a prime.

It is a super-2 number, since 2×127338137² = 32430002269261538, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 127338097 and 127338106.

It is not a weakly prime, because it can be changed into another prime (127331137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63669068 + 63669069.

It is an arithmetic number, because the mean of its divisors is an integer number (63669069).

Almost surely, 2^127338137 is an apocalyptic number.

It is an amenable number.

127338137 is a deficient number, since it is larger than the sum of its proper divisors (1).

127338137 is an equidigital number, since it uses as much as digits as its factorization.

127338137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 35.

The square root of 127338137 is about 11284.4201002976. The cubic root of 127338137 is about 503.0982776955.

The spelling of 127338137 in words is "one hundred twenty-seven million, three hundred thirty-eight thousand, one hundred thirty-seven".