131773352401647 has 12 divisors (see below), whose sum is σ = 207642858330024. Its totient is φ = 79862637819120.

The previous prime is 131773352401601. The next prime is 131773352401667. The reversal of 131773352401647 is 746104253377131.

131773352401647 is a `hidden beast` number, since 1 + 3 + 1 + 7 + 7 + 335 + 240 + 1 + 64 + 7 = 666.

It is not a de Polignac number, because 131773352401647 - 2¹⁰ = 131773352400623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131773352401593 and 131773352401602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131773352401667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 665521981728 + ... + 665521981925.

It is an arithmetic number, because the mean of its divisors is an integer number (17303571527502).

Almost surely, 2^{131773352401647} is an apocalyptic number.

131773352401647 is a deficient number, since it is larger than the sum of its proper divisors (75869505928377).

131773352401647 is a wasteful number, since it uses less digits than its factorization.

131773352401647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331043963670 (or 1331043963667 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 54.

The spelling of 131773352401647 in words is "one hundred thirty-one trillion, seven hundred seventy-three billion, three hundred fifty-two million, four hundred one thousand, six hundred forty-seven".