131852944449 has 20 divisors (see below), whose sum is σ = 197533175664. Its totient is φ = 87648624504.

The previous prime is 131852944351. The next prime is 131852944451. The reversal of 131852944449 is 944449258131.

131852944449 is a `hidden beast` number, since 1 + 31 + 8 + 529 + 4 + 44 + 49 = 666.

It is not a de Polignac number, because 131852944449 - 2¹¹ = 131852942401 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 131852944395 and 131852944404.

It is not an unprimeable number, because it can be changed into a prime (131852944649) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2317447 + ... + 2373660.

Almost surely, 2^131852944449 is an apocalyptic number.

It is an amenable number.

131852944449 is a deficient number, since it is larger than the sum of its proper divisors (65680231215).

131852944449 is an equidigital number, since it uses as much as digits as its factorization.

131852944449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691466 (or 4691457 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 131852944449 in words is "one hundred thirty-one billion, eight hundred fifty-two million, nine hundred forty-four thousand, four hundred forty-nine".