131267747448 has 64 divisors (see below), whose sum is σ = 364845292800. Its totient is φ = 43730396640.

The previous prime is 131267747411. The next prime is 131267747467. The reversal of 131267747448 is 844747762131.

It is a happy number.

131267747448 is a `hidden beast` number, since 1 + 3 + 126 + 7 + 7 + 474 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 131267747394 and 131267747403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195813 + ... + 548523.

It is an arithmetic number, because the mean of its divisors is an integer number (5700707700).

Almost surely, 2^131267747448 is an apocalyptic number.

131267747448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

131267747448 is an abundant number, since it is smaller than the sum of its proper divisors (233577545352).

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

131267747448 is a wasteful number, since it uses less digits than its factorization.

131267747448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354449 (or 354439 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 54.

The spelling of 131267747448 in words is "one hundred thirty-one billion, two hundred sixty-seven million, seven hundred forty-seven thousand, four hundred forty-eight".