132421018 has 12 divisors (see below), whose sum is σ = 205616970. Its totient is φ = 63885080.

The previous prime is 132420997. The next prime is 132421019. The reversal of 132421018 is 810124231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 111872929 + 20548089 = 10577^2 + 4533^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 132421018.

It is not an unprimeable number, because it can be changed into a prime (132421019) 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, 86883 + ... + 88393.

Almost surely, 2^132421018 is an apocalyptic number.

132421018 is a deficient number, since it is larger than the sum of its proper divisors (73195952).

132421018 is an frugal number, since it uses more digits than its factorization.

132421018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 132421018 is about 11507.4331629604. The cubic root of 132421018 is about 509.7050941463.

Adding to 132421018 its reverse (810124231), we get a palindrome (942545249).

The spelling of 132421018 in words is "one hundred thirty-two million, four hundred twenty-one thousand, eighteen".