405134908339 has 4 divisors (see below), whose sum is σ = 463011323824. Its totient is φ = 347258492856.

The previous prime is 405134908331. The next prime is 405134908361. The reversal of 405134908339 is 933809431504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 405134908339 - 2³ = 405134908331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405134908292 and 405134908301.

It is not an unprimeable number, because it can be changed into a prime (405134908331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28938207732 + ... + 28938207745.

It is an arithmetic number, because the mean of its divisors is an integer number (115752830956).

Almost surely, 2^405134908339 is an apocalyptic number.

405134908339 is a deficient number, since it is larger than the sum of its proper divisors (57876415485).

405134908339 is an equidigital number, since it uses as much as digits as its factorization.

405134908339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57876415484.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 405134908339 in words is "four hundred five billion, one hundred thirty-four million, nine hundred eight thousand, three hundred thirty-nine".