127394743677184 has 81 divisors (see below), whose sum is σ = 265837389418279. Its totient is φ = 60925934389760.

The previous prime is 127394743677181. The next prime is 127394743677209. The reversal of 127394743677184 is 481776347493721.

The square root of 127394743677184 is 11286928.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127394743677181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4153574169 + ... + 4153604839.

Almost surely, 2^{127394743677184} is an apocalyptic number.

127394743677184 is the 11286928-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127394743677184

127394743677184 is an abundant number, since it is smaller than the sum of its proper divisors (138442645741095).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127394743677184 is an frugal number, since it uses more digits than its factorization.

127394743677184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61404 (or 30696 counting only the distinct ones).

The product of its digits is 1194891264, while the sum is 73.

The spelling of 127394743677184 in words is "one hundred twenty-seven trillion, three hundred ninety-four billion, seven hundred forty-three million, six hundred seventy-seven thousand, one hundred eighty-four".