131987520000 has 600 divisors, whose sum is σ = 544087411296. Its totient is φ = 30163968000.

The previous prime is 131987519959. The next prime is 131987520059. The reversal of 131987520000 is 25789131.

It is a tau number, because it is divible by the number of its divisors (600).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 59 ways as a sum of consecutive naturals, for example, 20156727 + ... + 20163273.

Almost surely, 2^131987520000 is an apocalyptic number.

131987520000 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 131987520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272043705648).

131987520000 is an abundant number, since it is smaller than the sum of its proper divisors (412099891296).

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

131987520000 is an frugal number, since it uses more digits than its factorization.

131987520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6598 (or 6564 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 131987520000 in words is "one hundred thirty-one billion, nine hundred eighty-seven million, five hundred twenty thousand".