131532832 has 12 divisors (see below), whose sum is σ = 258955326. Its totient is φ = 65766400.

The previous prime is 131532799. The next prime is 131532851. The reversal of 131532832 is 238235131.

It can be written as a sum of positive squares in only one way, i.e., 80209936 + 51322896 = 8956^2 + 7164^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131532832.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2055169 + ... + 2055232.

Almost surely, 2^131532832 is an apocalyptic number.

It is an amenable number.

131532832 is a deficient number, since it is larger than the sum of its proper divisors (127422494).

131532832 is an equidigital number, since it uses as much as digits as its factorization.

131532832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110411 (or 4110403 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 131532832 is about 11468.7763950650. The cubic root of 131532832 is about 508.5629570372.

Adding to 131532832 its reverse (238235131), we get a palindrome (369767963).

The spelling of 131532832 in words is "one hundred thirty-one million, five hundred thirty-two thousand, eight hundred thirty-two".