131536232440000 has 140 divisors (see below), whose sum is σ = 326380301002888. Its totient is φ = 52580102400000.

The previous prime is 131536232439991. The next prime is 131536232440001. The reversal of 131536232440000 is 44232635131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131536232440001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 60166060 + ... + 62313940.

Almost surely, 2^{131536232440000} is an apocalyptic number.

131536232440000 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 131536232440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163190150501444).

131536232440000 is an abundant number, since it is smaller than the sum of its proper divisors (194844068562888).

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

131536232440000 is an equidigital number, since it uses as much as digits as its factorization.

131536232440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149444 (or 2149419 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 131536232440000 in words is "one hundred thirty-one trillion, five hundred thirty-six billion, two hundred thirty-two million, four hundred forty thousand".