17139127 has 2 divisors, whose sum is σ = 17139128. Its totient is φ = 17139126.

The previous prime is 17139119. The next prime is 17139137. The reversal of 17139127 is 72193171.

It is a weak prime.

It is an emirp because it is prime and its reverse (72193171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17139127 - 2³ = 17139119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17139137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8569563 + 8569564.

It is an arithmetic number, because the mean of its divisors is an integer number (8569564).

Almost surely, 2^17139127 is an apocalyptic number.

17139127 is a deficient number, since it is larger than the sum of its proper divisors (1).

17139127 is an equidigital number, since it uses as much as digits as its factorization.

17139127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2646, while the sum is 31.

The square root of 17139127 is about 4139.9428740020. The cubic root of 17139127 is about 257.8276947788.

The spelling of 17139127 in words is "seventeen million, one hundred thirty-nine thousand, one hundred twenty-seven".