131708860 has 36 divisors (see below), whose sum is σ = 293828472. Its totient is φ = 49582336.

The previous prime is 131708849. The next prime is 131708861. The reversal of 131708860 is 68807131.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131708861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5614 + ... + 17173.

It is an arithmetic number, because the mean of its divisors is an integer number (8161902).

Almost surely, 2^131708860 is an apocalyptic number.

131708860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131708860 is an abundant number, since it is smaller than the sum of its proper divisors (162119612).

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

131708860 is a wasteful number, since it uses less digits than its factorization.

131708860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22830 (or 22811 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 131708860 is about 11476.4480567813. The cubic root of 131708860 is about 508.7897227645.

The spelling of 131708860 in words is "one hundred thirty-one million, seven hundred eight thousand, eight hundred sixty".