132420643 has 2 divisors, whose sum is σ = 132420644. Its totient is φ = 132420642.

The previous prime is 132420619. The next prime is 132420647. The reversal of 132420643 is 346024231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 132420643 - 2²¹ = 130323491 is a prime.

It is not a weakly prime, because it can be changed into another prime (132420647) 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 as a sum of consecutive naturals, namely, 66210321 + 66210322.

It is an arithmetic number, because the mean of its divisors is an integer number (66210322).

Almost surely, 2^132420643 is an apocalyptic number.

132420643 is a deficient number, since it is larger than the sum of its proper divisors (1).

132420643 is an equidigital number, since it uses as much as digits as its factorization.

132420643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 132420643 is about 11507.4168691327. The cubic root of 132420643 is about 509.7046130052.

Adding to 132420643 its reverse (346024231), we get a palindrome (478444874).

The spelling of 132420643 in words is "one hundred thirty-two million, four hundred twenty thousand, six hundred forty-three".