131404432404500 has 96 divisors (see below), whose sum is σ = 299470797609984. Its totient is φ = 50275503168000.

The previous prime is 131404432404493. The next prime is 131404432404563. The reversal of 131404432404500 is 5404234404131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 937789445 + ... + 937929555.

It is an arithmetic number, because the mean of its divisors is an integer number (3119487475104).

Almost surely, 2^{131404432404500} is an apocalyptic number.

131404432404500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131404432404500 is an abundant number, since it is smaller than the sum of its proper divisors (168066365205484).

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

131404432404500 is a wasteful number, since it uses less digits than its factorization.

131404432404500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221706 (or 221694 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 131404432404500 its reverse (5404234404131), we get a palindrome (136808666808631).

The spelling of 131404432404500 in words is "one hundred thirty-one trillion, four hundred four billion, four hundred thirty-two million, four hundred four thousand, five hundred".