131350421454399 has 16 divisors (see below), whose sum is σ = 222392247965440. Its totient is φ = 75057383688120.

The previous prime is 131350421454379. The next prime is 131350421454403. The reversal of 131350421454399 is 993454124053131.

131350421454399 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 5 + 0 + 4 + 2 + 1 + 4 + 543 + 99 = 666.

It is not a de Polignac number, because 131350421454399 - 2⁹ = 131350421453887 is a prime.

It is a super-2 number, since 2×131350421454399² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131350421454359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347487887257 + ... + 347487887634.

It is an arithmetic number, because the mean of its divisors is an integer number (13899515497840).

Almost surely, 2^{131350421454399} is an apocalyptic number.

131350421454399 is a deficient number, since it is larger than the sum of its proper divisors (91041826511041).

131350421454399 is an equidigital number, since it uses as much as digits as its factorization.

131350421454399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694975774907 (or 694975774901 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 131350421454399 in words is "one hundred thirty-one trillion, three hundred fifty billion, four hundred twenty-one million, four hundred fifty-four thousand, three hundred ninety-nine".