131044404132 has 36 divisors (see below), whose sum is σ = 331394803740. Its totient is φ = 43662522432.

The previous prime is 131044404077. The next prime is 131044404149. The reversal of 131044404132 is 231404440131.

It can be written as a sum of positive squares in 2 ways, for example, as 71237745216 + 59806658916 = 266904^2 + 244554^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 131044404096 and 131044404105.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 705123 + ... + 871370.

It is an arithmetic number, because the mean of its divisors is an integer number (9205411215).

Almost surely, 2^131044404132 is an apocalyptic number.

131044404132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131044404132 is an abundant number, since it is smaller than the sum of its proper divisors (200350399608).

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

131044404132 is a wasteful number, since it uses less digits than its factorization.

131044404132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578812 (or 1578807 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 131044404132 its reverse (231404440131), we get a palindrome (362448844263).

The spelling of 131044404132 in words is "one hundred thirty-one billion, forty-four million, four hundred four thousand, one hundred thirty-two".