131239448385000 has 320 divisors, whose sum is σ = 425435710993920. Its totient is φ = 33701831520000.

The previous prime is 131239448384923. The next prime is 131239448385011. The reversal of 131239448385000 is 583844932131.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 44362099 + ... + 47227901.

It is an arithmetic number, because the mean of its divisors is an integer number (1329486596856).

Almost surely, 2^{131239448385000} is an apocalyptic number.

131239448385000 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 131239448385000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212717855496960).

131239448385000 is an abundant number, since it is smaller than the sum of its proper divisors (294196262608920).

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

131239448385000 is a wasteful number, since it uses less digits than its factorization.

131239448385000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865946 (or 2865927 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 131239448385000 in words is "one hundred thirty-one trillion, two hundred thirty-nine billion, four hundred forty-eight million, three hundred eighty-five thousand".