131587100 has 18 divisors (see below), whose sum is σ = 285544224. Its totient is φ = 52634800.

The previous prime is 131587073. The next prime is 131587109. The reversal of 131587100 is 1785131.

131587100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 131587100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131587109) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 657836 + ... + 658035.

It is an arithmetic number, because the mean of its divisors is an integer number (15863568).

Almost surely, 2^131587100 is an apocalyptic number.

131587100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131587100 is an abundant number, since it is smaller than the sum of its proper divisors (153957124).

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

131587100 is a wasteful number, since it uses less digits than its factorization.

131587100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315885 (or 1315878 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 131587100 is about 11471.1420529954. The cubic root of 131587100 is about 508.6328886262.

The spelling of 131587100 in words is "one hundred thirty-one million, five hundred eighty-seven thousand, one hundred".