131843712 has 320 divisors, whose sum is σ = 479979360. Its totient is φ = 31610880.

The previous prime is 131843711. The next prime is 131843743. The reversal of 131843712 is 217348131.

It is a nude number because it is divisible by every one of its digits.

Its product of digits (4032) is a multiple of the sum of its prime divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 131843712.

It is not an unprimeable number, because it can be changed into a prime (131843711) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10141818 + ... + 10141830.

Almost surely, 2^131843712 is an apocalyptic number.

131843712 is a gapful number since it is divisible by the number (12) 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 131843712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239989680).

131843712 is an abundant number, since it is smaller than the sum of its proper divisors (348135648).

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

131843712 is an equidigital number, since it uses as much as digits as its factorization.

131843712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 36 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 131843712 is about 11482.3217164474. The cubic root of 131843712 is about 508.9633074137.

The spelling of 131843712 in words is "one hundred thirty-one million, eight hundred forty-three thousand, seven hundred twelve".