132421133 has 6 divisors (see below), whose sum is σ = 143391114. Its totient is φ = 122234736.

The previous prime is 132421087. The next prime is 132421141. The reversal of 132421133 is 331124231.

It can be written as a sum of positive squares in 3 ways, for example, as 11377129 + 121044004 = 3373^2 + 11002^2 .

It is a de Polignac number, because none of the positive numbers 2^k-132421133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132421153) 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, 391610 + ... + 391947.

It is an arithmetic number, because the mean of its divisors is an integer number (23898519).

Almost surely, 2^132421133 is an apocalyptic number.

132421133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

132421133 is a deficient number, since it is larger than the sum of its proper divisors (10969981).

132421133 is an equidigital number, since it uses as much as digits as its factorization.

132421133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783583 (or 783570 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 132421133 is about 11507.4381597296. The cubic root of 132421133 is about 509.7052416961.

Adding to 132421133 its reverse (331124231), we get a palindrome (463545364).

The spelling of 132421133 in words is "one hundred thirty-two million, four hundred twenty-one thousand, one hundred thirty-three".