131255487000 has 768 divisors, whose sum is σ = 516616289280. Its totient is φ = 29704704000.

The previous prime is 131255486993. The next prime is 131255487029. The reversal of 131255487000 is 784552131.

131255487000 is a `hidden beast` number, since 1 + 31 + 2 + 554 + 8 + 70 + 0 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 281060767 + ... + 281061233.

It is an arithmetic number, because the mean of its divisors is an integer number (672677460).

Almost surely, 2^131255487000 is an apocalyptic number.

131255487000 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 131255487000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258308144640).

131255487000 is an abundant number, since it is smaller than the sum of its proper divisors (385360802280).

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

131255487000 is a wasteful number, since it uses less digits than its factorization.

131255487000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 131255487000 in words is "one hundred thirty-one billion, two hundred fifty-five million, four hundred eighty-seven thousand".