132521618 has 16 divisors (see below), whose sum is σ = 211770720. Its totient is φ = 62015616.

The previous prime is 132521617. The next prime is 132521629. The reversal of 132521618 is 816125231.

It is not an unprimeable number, because it can be changed into a prime (132521617) 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, 17855 + ... + 24162.

It is an arithmetic number, because the mean of its divisors is an integer number (13235670).

Almost surely, 2^132521618 is an apocalyptic number.

132521618 is a deficient number, since it is larger than the sum of its proper divisors (79249102).

132521618 is a wasteful number, since it uses less digits than its factorization.

132521618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42121.

The product of its digits is 2880, while the sum is 29.

The square root of 132521618 is about 11511.8034208372. The cubic root of 132521618 is about 509.8341354770.

Adding to 132521618 its reverse (816125231), we get a palindrome (948646849).

The spelling of 132521618 in words is "one hundred thirty-two million, five hundred twenty-one thousand, six hundred eighteen".