452136439 has 2 divisors, whose sum is σ = 452136440. Its totient is φ = 452136438.

The previous prime is 452136389. The next prime is 452136493. The reversal of 452136439 is 934631254.

Together with next prime (452136493) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 452136439 - 2¹³ = 452128247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 452136398 and 452136407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452134439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226068219 + 226068220.

It is an arithmetic number, because the mean of its divisors is an integer number (226068220).

Almost surely, 2^452136439 is an apocalyptic number.

452136439 is a deficient number, since it is larger than the sum of its proper divisors (1).

452136439 is an equidigital number, since it uses as much as digits as its factorization.

452136439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 452136439 is about 21263.5001587227. The cubic root of 452136439 is about 767.5202392566.

The spelling of 452136439 in words is "four hundred fifty-two million, one hundred thirty-six thousand, four hundred thirty-nine".