131504541452 has 48 divisors (see below), whose sum is σ = 239301482112. Its totient is φ = 63181117440.

The previous prime is 131504541451. The next prime is 131504541533. The reversal of 131504541452 is 254145405131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131504541451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4685453 + ... + 4713435.

It is an arithmetic number, because the mean of its divisors is an integer number (4985447544).

Almost surely, 2^131504541452 is an apocalyptic number.

It is an amenable number.

131504541452 is a deficient number, since it is larger than the sum of its proper divisors (107796940660).

131504541452 is a wasteful number, since it uses less digits than its factorization.

131504541452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28418 (or 28416 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 131504541452 its reverse (254145405131), we get a palindrome (385649946583).

The spelling of 131504541452 in words is "one hundred thirty-one billion, five hundred four million, five hundred forty-one thousand, four hundred fifty-two".