132415521 has 8 divisors (see below), whose sum is σ = 201776064. Its totient is φ = 75666000.

The previous prime is 132415513. The next prime is 132415523. The reversal of 132415521 is 125514231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 132415521 - 2³ = 132415513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132415491 and 132415500.

It is not an unprimeable number, because it can be changed into a prime (132415523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3152730 + ... + 3152771.

It is an arithmetic number, because the mean of its divisors is an integer number (25222008).

Almost surely, 2^132415521 is an apocalyptic number.

It is an amenable number.

132415521 is a deficient number, since it is larger than the sum of its proper divisors (69360543).

132415521 is an equidigital number, since it uses as much as digits as its factorization.

132415521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6305511.

The product of its digits is 1200, while the sum is 24.

The square root of 132415521 is about 11507.1943148623. The cubic root of 132415521 is about 509.6980411681.

Adding to 132415521 its reverse (125514231), we get a palindrome (257929752).

The spelling of 132415521 in words is "one hundred thirty-two million, four hundred fifteen thousand, five hundred twenty-one".