131404120134144 has 320 divisors, whose sum is σ = 429150930582528. Its totient is φ = 35158291660800.

The previous prime is 131404120134143. The next prime is 131404120134187. The reversal of 131404120134144 is 441431021404131.

It is a super-2 number, since 2×131404120134144² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (131404120134143) 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, 7953502 + ... + 18057309.

Almost surely, 2^{131404120134144} is an apocalyptic number.

It is an amenable number.

131404120134144 is an abundant number, since it is smaller than the sum of its proper divisors (297746810448384).

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

131404120134144 is a wasteful number, since it uses less digits than its factorization.

131404120134144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26010879 (or 26010863 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 131404120134144 its reverse (441431021404131), we get a palindrome (572835141538275).

The spelling of 131404120134144 in words is "one hundred thirty-one trillion, four hundred four billion, one hundred twenty million, one hundred thirty-four thousand, one hundred forty-four".