132521544 has 24 divisors (see below), whose sum is σ = 358912710. Its totient is φ = 44173824.

The previous prime is 132521539. The next prime is 132521549. The reversal of 132521544 is 445125231.

132521544 is a `hidden beast` number, since 132 + 521 + 5 + 4 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (132521539) and next prime (132521549).

It can be written as a sum of positive squares in only one way, i.e., 78322500 + 54199044 = 8850^2 + 7362^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (132521549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 920217 + ... + 920360.

Almost surely, 2^132521544 is an apocalyptic number.

It is an amenable number.

132521544 is an abundant number, since it is smaller than the sum of its proper divisors (226391166).

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

132521544 is a wasteful number, since it uses less digits than its factorization.

132521544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840589 (or 1840582 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 132521544 is about 11511.8002067444. The cubic root of 132521544 is about 509.8340405799.

Adding to 132521544 its reverse (445125231), we get a palindrome (577646775).

The spelling of 132521544 in words is "one hundred thirty-two million, five hundred twenty-one thousand, five hundred forty-four".