131404120134021 has 192 divisors, whose sum is σ = 230457591936000. Its totient is φ = 73775054344320.

The previous prime is 131404120133971. The next prime is 131404120134083. The reversal of 131404120134021 is 120431021404131.

It is a happy number.

131404120134021 is a `hidden beast` number, since 1 + 3 + 1 + 404 + 1 + 201 + 34 + 0 + 21 = 666.

It is not a de Polignac number, because 131404120134021 - 2⁷ = 131404120133893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131404120114021) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9857027326 + ... + 9857040656.

It is an arithmetic number, because the mean of its divisors is an integer number (1200299958000).

Almost surely, 2^{131404120134021} is an apocalyptic number.

It is an amenable number.

131404120134021 is a deficient number, since it is larger than the sum of its proper divisors (99053471801979).

131404120134021 is a wasteful number, since it uses less digits than its factorization.

131404120134021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14029 (or 14016 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 131404120134021 its reverse (120431021404131), we get a palindrome (251835141538152).

The spelling of 131404120134021 in words is "one hundred thirty-one trillion, four hundred four billion, one hundred twenty million, one hundred thirty-four thousand, twenty-one".