131272513795546 has 32 divisors (see below), whose sum is σ = 203137055493840. Its totient is φ = 63576168062976.

The previous prime is 131272513795529. The next prime is 131272513795559. The reversal of 131272513795546 is 645597315272131.

It can be written as a sum of positive squares in 8 ways, for example, as 82780245673225 + 48492268122321 = 9098365^2 + 6963639^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90612210 + ... + 92049538.

Almost surely, 2^{131272513795546} is an apocalyptic number.

131272513795546 is a deficient number, since it is larger than the sum of its proper divisors (71864541698294).

131272513795546 is a wasteful number, since it uses less digits than its factorization.

131272513795546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442898.

The product of its digits is 47628000, while the sum is 61.

The spelling of 131272513795546 in words is "one hundred thirty-one trillion, two hundred seventy-two billion, five hundred thirteen million, seven hundred ninety-five thousand, five hundred forty-six".