408134047 has 2 divisors, whose sum is σ = 408134048. Its totient is φ = 408134046.

The previous prime is 408134039. The next prime is 408134071. The reversal of 408134047 is 740431804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 408134047 - 2³ = 408134039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408134017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204067023 + 204067024.

It is an arithmetic number, because the mean of its divisors is an integer number (204067024).

Almost surely, 2^408134047 is an apocalyptic number.

408134047 is a deficient number, since it is larger than the sum of its proper divisors (1).

408134047 is an equidigital number, since it uses as much as digits as its factorization.

408134047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 408134047 is about 20202.3277619189. The cubic root of 408134047 is about 741.7671710844.

The spelling of 408134047 in words is "four hundred eight million, one hundred thirty-four thousand, forty-seven".