127864136010185 has 8 divisors (see below), whose sum is σ = 162462666930696. Its totient is φ = 96274172995840.

The previous prime is 127864136010179. The next prime is 127864136010187. The reversal of 127864136010185 is 581010631468721.

It can be written as a sum of positive squares in 4 ways, for example, as 13112821472569 + 114751314537616 = 3621163^2 + 10712204^2 .

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

It is not a de Polignac number, because 127864136010185 - 2²² = 127864131815881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127864136010187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752141976446 + ... + 752141976615.

It is an arithmetic number, because the mean of its divisors is an integer number (20307833366337).

Almost surely, 2^{127864136010185} is an apocalyptic number.

It is an amenable number.

127864136010185 is a deficient number, since it is larger than the sum of its proper divisors (34598530920511).

127864136010185 is a wasteful number, since it uses less digits than its factorization.

127864136010185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504283953083.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 127864136010185 in words is "one hundred twenty-seven trillion, eight hundred sixty-four billion, one hundred thirty-six million, ten thousand, one hundred eighty-five".