131448371944 has 32 divisors (see below), whose sum is σ = 247324351680. Its totient is φ = 65495441664.

The previous prime is 131448371927. The next prime is 131448371947. The reversal of 131448371944 is 449173844131.

It is not an unprimeable number, because it can be changed into a prime (131448371947) 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, 4919629 + ... + 4946275.

It is an arithmetic number, because the mean of its divisors is an integer number (7728885990).

Almost surely, 2^131448371944 is an apocalyptic number.

It is an amenable number.

131448371944 is a deficient number, since it is larger than the sum of its proper divisors (115875979736).

131448371944 is a wasteful number, since it uses less digits than its factorization.

131448371944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28777 (or 28773 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The spelling of 131448371944 in words is "one hundred thirty-one billion, four hundred forty-eight million, three hundred seventy-one thousand, nine hundred forty-four".