424320137 has 2 divisors, whose sum is σ = 424320138. Its totient is φ = 424320136.

The previous prime is 424320131. The next prime is 424320223. The reversal of 424320137 is 731023424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 291863056 + 132457081 = 17084^2 + 11509^2 .

It is a cyclic number.

It is not a de Polignac number, because 424320137 - 2⁴ = 424320121 is a prime.

It is not a weakly prime, because it can be changed into another prime (424320131) 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, 212160068 + 212160069.

It is an arithmetic number, because the mean of its divisors is an integer number (212160069).

Almost surely, 2^424320137 is an apocalyptic number.

It is an amenable number.

424320137 is a deficient number, since it is larger than the sum of its proper divisors (1).

424320137 is an equidigital number, since it uses as much as digits as its factorization.

424320137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 424320137 is about 20599.0324287332. The cubic root of 424320137 is about 751.4461797008.

The spelling of 424320137 in words is "four hundred twenty-four million, three hundred twenty thousand, one hundred thirty-seven".