132521504 has 48 divisors (see below), whose sum is σ = 276202080. Its totient is φ = 62415360.

The previous prime is 132521489. The next prime is 132521507. The reversal of 132521504 is 405125231.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 132521504.

It is not an unprimeable number, because it can be changed into a prime (132521507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127772 + ... + 128804.

It is an arithmetic number, because the mean of its divisors is an integer number (5754210).

Almost surely, 2^132521504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132521504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138101040).

132521504 is an abundant number, since it is smaller than the sum of its proper divisors (143680576).

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

132521504 is a wasteful number, since it uses less digits than its factorization.

132521504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 132521504 is about 11511.7984693965. The cubic root of 132521504 is about 509.8339892842.

Adding to 132521504 its reverse (405125231), we get a palindrome (537646735).

The spelling of 132521504 in words is "one hundred thirty-two million, five hundred twenty-one thousand, five hundred four".