132521345 has 32 divisors (see below), whose sum is σ = 177465600. Its totient is φ = 94199040.

The previous prime is 132521297. The next prime is 132521351. The reversal of 132521345 is 543125231.

It is a happy number.

It is not a de Polignac number, because 132521345 - 2¹² = 132517249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 844007 + ... + 844163.

It is an arithmetic number, because the mean of its divisors is an integer number (5545800).

Almost surely, 2^132521345 is an apocalyptic number.

It is an amenable number.

132521345 is a deficient number, since it is larger than the sum of its proper divisors (44944255).

132521345 is a wasteful number, since it uses less digits than its factorization.

132521345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425.

The product of its digits is 3600, while the sum is 26.

The square root of 132521345 is about 11511.7915634362. The cubic root of 132521345 is about 509.8337853836.

Adding to 132521345 its reverse (543125231), we get a palindrome (675646576).

The spelling of 132521345 in words is "one hundred thirty-two million, five hundred twenty-one thousand, three hundred forty-five".