131087008 has 48 divisors (see below), whose sum is σ = 280052640. Its totient is φ = 60039936.

The previous prime is 131086973. The next prime is 131087027. The reversal of 131087008 is 800780131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56691 + ... + 58957.

It is an arithmetic number, because the mean of its divisors is an integer number (5834430).

Almost surely, 2^131087008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131087008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140026320).

131087008 is an abundant number, since it is smaller than the sum of its proper divisors (148965632).

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

131087008 is a wasteful number, since it uses less digits than its factorization.

131087008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429 (or 2421 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 131087008 is about 11449.3234734634. The cubic root of 131087008 is about 507.9877236788.

The spelling of 131087008 in words is "one hundred thirty-one million, eighty-seven thousand, eight".