131344424514144 has 36 divisors (see below), whose sum is σ = 373510707212916. Its totient is φ = 43781474837952.

The previous prime is 131344424514139. The next prime is 131344424514221. The reversal of 131344424514144 is 441415424443131.

131344424514144 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 44 + 424 + 5 + 141 + 44 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 131344424514144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 228028514494 + ... + 228028515069.

It is an arithmetic number, because the mean of its divisors is an integer number (10375297422581).

Almost surely, 2^{131344424514144} is an apocalyptic number.

It is an amenable number.

131344424514144 is an abundant number, since it is smaller than the sum of its proper divisors (242166282698772).

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

131344424514144 is a wasteful number, since it uses less digits than its factorization.

131344424514144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456057029579 (or 456057029568 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 45.

Adding to 131344424514144 its reverse (441415424443131), we get a palindrome (572759848957275).

The spelling of 131344424514144 in words is "one hundred thirty-one trillion, three hundred forty-four billion, four hundred twenty-four million, five hundred fourteen thousand, one hundred forty-four".