131727432 has 64 divisors (see below), whose sum is σ = 343503360. Its totient is φ = 42048000.

The previous prime is 131727413. The next prime is 131727433. The reversal of 131727432 is 234727131.

It is a self number, because there is not a number n which added to its sum of digits gives 131727432.

It is not an unprimeable number, because it can be changed into a prime (131727433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74268 + ... + 76020.

It is an arithmetic number, because the mean of its divisors is an integer number (5367240).

Almost surely, 2^131727432 is an apocalyptic number.

131727432 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 131727432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171751680).

131727432 is an abundant number, since it is smaller than the sum of its proper divisors (211775928).

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

131727432 is a wasteful number, since it uses less digits than its factorization.

131727432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 1890 counting only the distinct ones).

The product of its digits is 7056, while the sum is 30.

The square root of 131727432 is about 11477.2571636258. The cubic root of 131727432 is about 508.8136361106.

The spelling of 131727432 in words is "one hundred thirty-one million, seven hundred twenty-seven thousand, four hundred thirty-two".