132857232 has 80 divisors (see below), whose sum is σ = 355096320. Its totient is φ = 42771456.

The previous prime is 132857189. The next prime is 132857243. The reversal of 132857232 is 232758231.

It is a junction number, because it is equal to n+sod(n) for n = 132857193 and 132857202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424308 + ... + 424620.

It is an arithmetic number, because the mean of its divisors is an integer number (4438704).

Almost surely, 2^132857232 is an apocalyptic number.

132857232 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 132857232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177548160).

132857232 is an abundant number, since it is smaller than the sum of its proper divisors (222239088).

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

132857232 is a wasteful number, since it uses less digits than its factorization.

132857232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 594 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 132857232 is about 11526.3711548778. The cubic root of 132857232 is about 510.2641614971.

Subtracting 132857232 from its reverse (232758231), we obtain a palindrome (99900999).

It can be divided in two parts, 13 and 2857232, that added together give a triangular number (2857245 = T₂₃₉₀).

The spelling of 132857232 in words is "one hundred thirty-two million, eight hundred fifty-seven thousand, two hundred thirty-two".