131454443424 has 24 divisors (see below), whose sum is σ = 345067914240. Its totient is φ = 43818147776.

The previous prime is 131454443413. The next prime is 131454443429. The reversal of 131454443424 is 424344454131.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (131454443429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684658464 + ... + 684658655.

It is an arithmetic number, because the mean of its divisors is an integer number (14377829760).

Almost surely, 2^131454443424 is an apocalyptic number.

It is an amenable number.

131454443424 is an abundant number, since it is smaller than the sum of its proper divisors (213613470816).

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

131454443424 is a wasteful number, since it uses less digits than its factorization.

131454443424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369317132 (or 1369317124 counting only the distinct ones).

The product of its digits is 368640, while the sum is 39.

Adding to 131454443424 its reverse (424344454131), we get a palindrome (555798897555).

The spelling of 131454443424 in words is "one hundred thirty-one billion, four hundred fifty-four million, four hundred forty-three thousand, four hundred twenty-four".