132231456 has 144 divisors (see below), whose sum is σ = 434476224. Its totient is φ = 37366272.

The previous prime is 132231427. The next prime is 132231481. The reversal of 132231456 is 654132231.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215406 + ... + 216018.

It is an arithmetic number, because the mean of its divisors is an integer number (3017196).

Almost surely, 2^132231456 is an apocalyptic number.

132231456 is a gapful number since it is divisible by the number (16) 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 132231456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217238112).

132231456 is an abundant number, since it is smaller than the sum of its proper divisors (302244768).

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

132231456 is a wasteful number, since it uses less digits than its factorization.

132231456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 732 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 132231456 is about 11499.1937108651. The cubic root of 132231456 is about 509.4617620335.

Adding to 132231456 its reverse (654132231), we get a palindrome (786363687).

The spelling of 132231456 in words is "one hundred thirty-two million, two hundred thirty-one thousand, four hundred fifty-six".