127390019893 has 8 divisors (see below), whose sum is σ = 130030917408. Its totient is φ = 124757911824.

The previous prime is 127390019881. The next prime is 127390019909. The reversal of 127390019893 is 398910093721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127390019893 - 2³³ = 118800085301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 127390019893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127390019873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2168071 + ... + 2226052.

It is an arithmetic number, because the mean of its divisors is an integer number (16253864676).

Almost surely, 2^127390019893 is an apocalyptic number.

It is an amenable number.

127390019893 is a deficient number, since it is larger than the sum of its proper divisors (2640897515).

127390019893 is an equidigital number, since it uses as much as digits as its factorization.

127390019893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394723.

The product of its (nonzero) digits is 734832, while the sum is 52.

The spelling of 127390019893 in words is "one hundred twenty-seven billion, three hundred ninety million, nineteen thousand, eight hundred ninety-three".