131403543152340 has 192 divisors, whose sum is σ = 376806896040960. Its totient is φ = 34196921687040.

The previous prime is 131403543152227. The next prime is 131403543152341. The reversal of 131403543152340 is 43251345304131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403543152341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23228482792 + ... + 23228488448.

It is an arithmetic number, because the mean of its divisors is an integer number (1962535916880).

Almost surely, 2^{131403543152340} is an apocalyptic number.

131403543152340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131403543152340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188403448020480).

131403543152340 is an abundant number, since it is smaller than the sum of its proper divisors (245403352888620).

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

131403543152340 is a wasteful number, since it uses less digits than its factorization.

131403543152340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11782 (or 11780 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 131403543152340 its reverse (43251345304131), we get a palindrome (174654888456471).

The spelling of 131403543152340 in words is "one hundred thirty-one trillion, four hundred three billion, five hundred forty-three million, one hundred fifty-two thousand, three hundred forty".