131710860 has 144 divisors (see below), whose sum is σ = 425067552. Its totient is φ = 34214400.

The previous prime is 131710853. The next prime is 131710871. The reversal of 131710860 is 68017131.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 198930 + ... + 199590.

It is an arithmetic number, because the mean of its divisors is an integer number (2951858).

Almost surely, 2^131710860 is an apocalyptic number.

131710860 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 131710860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212533776).

131710860 is an abundant number, since it is smaller than the sum of its proper divisors (293356692).

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

131710860 is a wasteful number, since it uses less digits than its factorization.

131710860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 131710860 is about 11476.5351914243. The cubic root of 131710860 is about 508.7922980767.

Adding to 131710860 its reverse (68017131), we get a palindrome (199727991).

The spelling of 131710860 in words is "one hundred thirty-one million, seven hundred ten thousand, eight hundred sixty".