131140504544432 has 160 divisors (see below), whose sum is σ = 277693426483200. Its totient is φ = 59765339808000.

The previous prime is 131140504544389. The next prime is 131140504544459. The reversal of 131140504544432 is 234445405041131.

It is a self number, because there is not a number n which added to its sum of digits gives 131140504544432.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11050849763 + ... + 11050861629.

It is an arithmetic number, because the mean of its divisors is an integer number (1735583915520).

Almost surely, 2^{131140504544432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131140504544432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138846713241600).

131140504544432 is an abundant number, since it is smaller than the sum of its proper divisors (146552921938768).

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

131140504544432 is a wasteful number, since it uses less digits than its factorization.

131140504544432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18655 (or 18649 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 131140504544432 its reverse (234445405041131), we get a palindrome (365585909585563).

The spelling of 131140504544432 in words is "one hundred thirty-one trillion, one hundred forty billion, five hundred four million, five hundred forty-four thousand, four hundred thirty-two".