131404432245340 has 96 divisors (see below), whose sum is σ = 305377724574720. Its totient is φ = 47242592449536.

The previous prime is 131404432245329. The next prime is 131404432245343. The reversal of 131404432245340 is 43542234404131.

It is a junction number, because it is equal to n+sod(n) for n = 131404432245293 and 131404432245302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131404432245343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8732632 + ... + 18413791.

It is an arithmetic number, because the mean of its divisors is an integer number (3181017964320).

Almost surely, 2^{131404432245340} is an apocalyptic number.

131404432245340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131404432245340 is an abundant number, since it is smaller than the sum of its proper divisors (173973292329380).

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

131404432245340 is a wasteful number, since it uses less digits than its factorization.

131404432245340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27147091 (or 27147089 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 131404432245340 its reverse (43542234404131), we get a palindrome (174946666649471).

The spelling of 131404432245340 in words is "one hundred thirty-one trillion, four hundred four billion, four hundred thirty-two million, two hundred forty-five thousand, three hundred forty".