132421706 has 16 divisors (see below), whose sum is σ = 201427560. Its totient is φ = 65284800.

The previous prime is 132421703. The next prime is 132421717. The reversal of 132421706 is 607124231.

It can be written as a sum of positive squares in 4 ways, for example, as 131308681 + 1113025 = 11459^2 + 1055^2 .

It is not an unprimeable number, because it can be changed into a prime (132421703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53120 + ... + 55556.

Almost surely, 2^132421706 is an apocalyptic number.

132421706 is a deficient number, since it is larger than the sum of its proper divisors (69005854).

132421706 is a wasteful number, since it uses less digits than its factorization.

132421706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 132421706 is about 11507.4630566428. The cubic root of 132421706 is about 509.7059768775.

Adding to 132421706 its reverse (607124231), we get a palindrome (739545937).

The spelling of 132421706 in words is "one hundred thirty-two million, four hundred twenty-one thousand, seven hundred six".