131728371746 has 8 divisors (see below), whose sum is σ = 199439217360. Its totient is φ = 65248632628.

The previous prime is 131728371727. The next prime is 131728371751. The reversal of 131728371746 is 647173827131.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131728371694 and 131728371703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307776356 + ... + 307776783.

It is an arithmetic number, because the mean of its divisors is an integer number (24929902170).

Almost surely, 2^131728371746 is an apocalyptic number.

131728371746 is a deficient number, since it is larger than the sum of its proper divisors (67710845614).

131728371746 is a wasteful number, since it uses less digits than its factorization.

131728371746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615553248.

The product of its digits is 1185408, while the sum is 50.

The spelling of 131728371746 in words is "one hundred thirty-one billion, seven hundred twenty-eight million, three hundred seventy-one thousand, seven hundred forty-six".