131132139841 has 4 divisors (see below), whose sum is σ = 131163240132. Its totient is φ = 131101039552.

The previous prime is 131132139833. The next prime is 131132139847. The reversal of 131132139841 is 148931231131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 119528541441 + 11603598400 = 345729^2 + 107720^2 .

It is a cyclic number.

It is not a de Polignac number, because 131132139841 - 2³ = 131132139833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131132139841.

It is not an unprimeable number, because it can be changed into a prime (131132139847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15543820 + ... + 15552253.

It is an arithmetic number, because the mean of its divisors is an integer number (32790810033).

Almost surely, 2^131132139841 is an apocalyptic number.

It is an amenable number.

131132139841 is a deficient number, since it is larger than the sum of its proper divisors (31100291).

131132139841 is an equidigital number, since it uses as much as digits as its factorization.

131132139841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31100290.

The product of its digits is 15552, while the sum is 37.

The spelling of 131132139841 in words is "one hundred thirty-one billion, one hundred thirty-two million, one hundred thirty-nine thousand, eight hundred forty-one".