131544002004 has 96 divisors (see below), whose sum is σ = 316598768640. Its totient is φ = 42492392448.

The previous prime is 131544001987. The next prime is 131544002071. The reversal of 131544002004 is 400200445131.

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 31 ways as a sum of consecutive naturals, for example, 18058147 + ... + 18065429.

It is an arithmetic number, because the mean of its divisors is an integer number (3297903840).

Almost surely, 2^131544002004 is an apocalyptic number.

It is an amenable number.

131544002004 is an abundant number, since it is smaller than the sum of its proper divisors (185054766636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131544002004 is a wasteful number, since it uses less digits than its factorization.

131544002004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7709 (or 7707 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 131544002004 its reverse (400200445131), we get a palindrome (531744447135).

The spelling of 131544002004 in words is "one hundred thirty-one billion, five hundred forty-four million, two thousand, four".