408134071 has 2 divisors, whose sum is σ = 408134072. Its totient is φ = 408134070.

The previous prime is 408134047. The next prime is 408134099. The reversal of 408134071 is 170431804.

It is an a-pointer prime, because the next prime (408134099) can be obtained adding 408134071 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 408134071 - 2⁵ = 408134039 is a prime.

It is a super-2 number, since 2×408134071² = 333146839822066082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408134171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204067035 + 204067036.

It is an arithmetic number, because the mean of its divisors is an integer number (204067036).

Almost surely, 2^408134071 is an apocalyptic number.

408134071 is a deficient number, since it is larger than the sum of its proper divisors (1).

408134071 is an equidigital number, since it uses as much as digits as its factorization.

408134071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 408134071 is about 20202.3283559099. The cubic root of 408134071 is about 741.7671856241.

Adding to 408134071 its reverse (170431804), we get a palindrome (578565875).

The spelling of 408134071 in words is "four hundred eight million, one hundred thirty-four thousand, seventy-one".