126336171844 has 27 divisors (see below), whose sum is σ = 226404240573. Its totient is φ = 61684132272.

The previous prime is 126336171839. The next prime is 126336171877. The reversal of 126336171844 is 448171633621.

The square root of 126336171844 is 355438.

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

It can be written as a sum of positive squares in only one way, i.e., 93470832900 + 32865338944 = 305730^2 + 181288^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126336171794 and 126336171803.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30565602 + ... + 30569734.

Almost surely, 2^126336171844 is an apocalyptic number.

126336171844 is the 355438-th square number.

It is an amenable number.

126336171844 is a deficient number, since it is larger than the sum of its proper divisors (100068068729).

126336171844 is an frugal number, since it uses more digits than its factorization.

126336171844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8356 (or 4178 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The spelling of 126336171844 in words is "one hundred twenty-six billion, three hundred thirty-six million, one hundred seventy-one thousand, eight hundred forty-four".