127713930239 has 4 divisors (see below), whose sum is σ = 145958777424. Its totient is φ = 109469083056.

The previous prime is 127713930173. The next prime is 127713930277. The reversal of 127713930239 is 932039317721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 932039317721 = 3539 ⋅263362339.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127713930239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 127713930193 and 127713930202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127713930439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9122423582 + ... + 9122423595.

It is an arithmetic number, because the mean of its divisors is an integer number (36489694356).

Almost surely, 2^127713930239 is an apocalyptic number.

127713930239 is a deficient number, since it is larger than the sum of its proper divisors (18244847185).

127713930239 is an equidigital number, since it uses as much as digits as its factorization.

127713930239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18244847184.

The product of its (nonzero) digits is 428652, while the sum is 47.

The spelling of 127713930239 in words is "one hundred twenty-seven billion, seven hundred thirteen million, nine hundred thirty thousand, two hundred thirty-nine".