131405511005144 has 32 divisors (see below), whose sum is σ = 251383257000000. Its totient is φ = 64373424141312.

The previous prime is 131405511005129. The next prime is 131405511005173. The reversal of 131405511005144 is 441500115504131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215215769 + ... + 215825480.

It is an arithmetic number, because the mean of its divisors is an integer number (7855726781250).

Almost surely, 2^{131405511005144} is an apocalyptic number.

It is an amenable number.

131405511005144 is a deficient number, since it is larger than the sum of its proper divisors (119977745994856).

131405511005144 is a wasteful number, since it uses less digits than its factorization.

131405511005144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431042027 (or 431042023 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

Adding to 131405511005144 its reverse (441500115504131), we get a palindrome (572905626509275).

The spelling of 131405511005144 in words is "one hundred thirty-one trillion, four hundred five billion, five hundred eleven million, five thousand, one hundred forty-four".