1828136459 has 2 divisors, whose sum is σ = 1828136460. Its totient is φ = 1828136458.

The previous prime is 1828136447. The next prime is 1828136477. The reversal of 1828136459 is 9546318281.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1828136459 - 2⁸ = 1828136203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1828136419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 914068229 + 914068230.

It is an arithmetic number, because the mean of its divisors is an integer number (914068230).

Almost surely, 2^1828136459 is an apocalyptic number.

1828136459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1828136459 is an equidigital number, since it uses as much as digits as its factorization.

1828136459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 47.

The square root of 1828136459 is about 42756.7124437789. The cubic root of 1828136459 is about 1222.7458664099.

The spelling of 1828136459 in words is "one billion, eight hundred twenty-eight million, one hundred thirty-six thousand, four hundred fifty-nine".