127539413 has 2 divisors, whose sum is σ = 127539414. Its totient is φ = 127539412.

The previous prime is 127539283. The next prime is 127539427. The reversal of 127539413 is 314935721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110292004 + 17247409 = 10502^2 + 4153^2 .

It is an emirp because it is prime and its reverse (314935721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127539413 - 2⁸ = 127539157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127539443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63769706 + 63769707.

It is an arithmetic number, because the mean of its divisors is an integer number (63769707).

Almost surely, 2^127539413 is an apocalyptic number.

It is an amenable number.

127539413 is a deficient number, since it is larger than the sum of its proper divisors (1).

127539413 is an equidigital number, since it uses as much as digits as its factorization.

127539413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 127539413 is about 11293.3348927586. The cubic root of 127539413 is about 503.3632109023.

The spelling of 127539413 in words is "one hundred twenty-seven million, five hundred thirty-nine thousand, four hundred thirteen".