131454441252 has 36 divisors (see below), whose sum is σ = 332923012240. Its totient is φ = 43734358512.

The previous prime is 131454441199. The next prime is 131454441289. The reversal of 131454441252 is 252144454131.

131454441252 is a `hidden beast` number, since 1 + 314 + 54 + 4 + 41 + 252 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3472102 + ... + 3509757.

Almost surely, 2^131454441252 is an apocalyptic number.

131454441252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131454441252 is an abundant number, since it is smaller than the sum of its proper divisors (201468570988).

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

131454441252 is a wasteful number, since it uses less digits than its factorization.

131454441252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6982392 (or 6982387 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

Adding to 131454441252 its reverse (252144454131), we get a palindrome (383598895383).

The spelling of 131454441252 in words is "one hundred thirty-one billion, four hundred fifty-four million, four hundred forty-one thousand, two hundred fifty-two".