131841206005 has 8 divisors (see below), whose sum is σ = 158324684472. Its totient is φ = 105396139968.

The previous prime is 131841205997. The next prime is 131841206009. The reversal of 131841206005 is 500602148131.

It can be written as a sum of positive squares in 4 ways, for example, as 32138091441 + 99703114564 = 179271^2 + 315758^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 131841206005 - 2³ = 131841205997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131841206009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9595554 + ... + 9609283.

It is an arithmetic number, because the mean of its divisors is an integer number (19790585559).

Almost surely, 2^131841206005 is an apocalyptic number.

It is an amenable number.

131841206005 is a deficient number, since it is larger than the sum of its proper divisors (26483478467).

131841206005 is a wasteful number, since it uses less digits than its factorization.

131841206005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19206215.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 131841206005 in words is "one hundred thirty-one billion, eight hundred forty-one million, two hundred six thousand, five".