131665060 has 48 divisors (see below), whose sum is σ = 300464640. Its totient is φ = 48280320.

The previous prime is 131665057. The next prime is 131665069. The reversal of 131665060 is 60566131.

It is not an unprimeable number, because it can be changed into a prime (131665069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6192 + ... + 17368.

It is an arithmetic number, because the mean of its divisors is an integer number (6259680).

Almost surely, 2^131665060 is an apocalyptic number.

131665060 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 131665060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150232320).

131665060 is an abundant number, since it is smaller than the sum of its proper divisors (168799580).

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

131665060 is a wasteful number, since it uses less digits than its factorization.

131665060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11236 (or 11234 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 131665060 is about 11474.5396421817. The cubic root of 131665060 is about 508.7333168892.

The spelling of 131665060 in words is "one hundred thirty-one million, six hundred sixty-five thousand, sixty".