131404503433040 has 40 divisors (see below), whose sum is σ = 305946381009480. Its totient is φ = 52487666228736.

The previous prime is 131404503433039. The next prime is 131404503433067. The reversal of 131404503433040 is 40334305404131.

It can be written as a sum of positive squares in 4 ways, for example, as 7622590897216 + 123781912535824 = 2760904^2 + 11125732^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×131404503433040² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158304559 + ... + 1158417998.

It is an arithmetic number, because the mean of its divisors is an integer number (7648659525237).

Almost surely, 2^{131404503433040} is an apocalyptic number.

131404503433040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131404503433040 is an abundant number, since it is smaller than the sum of its proper divisors (174541877576440).

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

131404503433040 is a wasteful number, since it uses less digits than its factorization.

131404503433040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316723279 (or 2316723273 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 131404503433040 its reverse (40334305404131), we get a palindrome (171738808837171).

The spelling of 131404503433040 in words is "one hundred thirty-one trillion, four hundred four billion, five hundred three million, four hundred thirty-three thousand, forty".