131452400000 has 192 divisors, whose sum is σ = 337917121920. Its totient is φ = 50880000000.

The previous prime is 131452399943. The next prime is 131452400003. The reversal of 131452400000 is 4254131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131452400003) 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 23 ways as a sum of consecutive naturals, for example, 12394700 + ... + 12405300.

It is an arithmetic number, because the mean of its divisors is an integer number (1759985010).

Almost surely, 2^131452400000 is an apocalyptic number.

131452400000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131452400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168958560960).

131452400000 is an abundant number, since it is smaller than the sum of its proper divisors (206464721920).

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

131452400000 is an frugal number, since it uses more digits than its factorization.

131452400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10671 (or 10639 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 131452400000 its reverse (4254131), we get a palindrome (131456654131).

The spelling of 131452400000 in words is "one hundred thirty-one billion, four hundred fifty-two million, four hundred thousand".