131441444 has 12 divisors (see below), whose sum is σ = 231834624. Its totient is φ = 65202984.

The previous prime is 131441437. The next prime is 131441447. The reversal of 131441444 is 444144131.

It is not an unprimeable number, because it can be changed into a prime (131441447) 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, 128864 + ... + 129879.

It is an arithmetic number, because the mean of its divisors is an integer number (19319552).

Almost surely, 2^131441444 is an apocalyptic number.

It is an amenable number.

131441444 is a deficient number, since it is larger than the sum of its proper divisors (100393180).

131441444 is a wasteful number, since it uses less digits than its factorization.

131441444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258874 (or 258872 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 131441444 is about 11464.7914939610. The cubic root of 131441444 is about 508.4451478717.

Adding to 131441444 its reverse (444144131), we get a palindrome (575585575).

The spelling of 131441444 in words is "one hundred thirty-one million, four hundred forty-one thousand, four hundred forty-four".