131448544 has 24 divisors (see below), whose sum is σ = 260773128. Its totient is φ = 65220480.

The previous prime is 131448529. The next prime is 131448563. The reversal of 131448544 is 445844131.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11487 + ... + 19870.

It is an arithmetic number, because the mean of its divisors is an integer number (10865547).

Almost surely, 2^131448544 is an apocalyptic number.

It is an amenable number.

131448544 is a deficient number, since it is larger than the sum of its proper divisors (129324584).

131448544 is a wasteful number, since it uses less digits than its factorization.

131448544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31498 (or 31490 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 131448544 is about 11465.1011334397. The cubic root of 131448544 is about 508.4543025073.

The spelling of 131448544 in words is "one hundred thirty-one million, four hundred forty-eight thousand, five hundred forty-four".