131504541450 has 96 divisors (see below), whose sum is σ = 338697655296. Its totient is φ = 33741005760.

The previous prime is 131504541431. The next prime is 131504541451. The reversal of 131504541450 is 54145405131.

It is a Curzon 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 47 ways as a sum of consecutive naturals, for example, 279999 + ... + 584301.

It is an arithmetic number, because the mean of its divisors is an integer number (3528100576).

Almost surely, 2^131504541450 is an apocalyptic number.

131504541450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131504541450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169348827648).

131504541450 is an abundant number, since it is smaller than the sum of its proper divisors (207193113846).

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

131504541450 is a wasteful number, since it uses less digits than its factorization.

131504541450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304428 (or 304423 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 131504541450 its reverse (54145405131), we get a palindrome (185649946581).

The spelling of 131504541450 in words is "one hundred thirty-one billion, five hundred four million, five hundred forty-one thousand, four hundred fifty".