132421439 has 2 divisors, whose sum is σ = 132421440. Its totient is φ = 132421438.

The previous prime is 132421433. The next prime is 132421447. The reversal of 132421439 is 934124231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 132421439 - 2²⁴ = 115644223 is a prime.

It is a Chen prime.

It is equal to p_7507703 and since 132421439 and 7507703 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132421433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66210719 + 66210720.

It is an arithmetic number, because the mean of its divisors is an integer number (66210720).

Almost surely, 2^132421439 is an apocalyptic number.

132421439 is a deficient number, since it is larger than the sum of its proper divisors (1).

132421439 is an equidigital number, since it uses as much as digits as its factorization.

132421439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The square root of 132421439 is about 11507.4514554701. The cubic root of 132421439 is about 509.7056343063.

The spelling of 132421439 in words is "one hundred thirty-two million, four hundred twenty-one thousand, four hundred thirty-nine".