210134005 has 8 divisors (see below), whose sum is σ = 255199392. Its totient is φ = 166081488.

The previous prime is 210133999. The next prime is 210134017. The reversal of 210134005 is 500431012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210134005 - 2⁷ = 210133877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210134005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252759 + ... + 253588.

It is an arithmetic number, because the mean of its divisors is an integer number (31899924).

Almost surely, 2^210134005 is an apocalyptic number.

It is an amenable number.

210134005 is a deficient number, since it is larger than the sum of its proper divisors (45065387).

210134005 is an equidigital number, since it uses as much as digits as its factorization.

210134005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506435.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 210134005 is about 14495.9996205850. Note that the first 3 decimals coincide. The cubic root of 210134005 is about 594.5185993870.

Adding to 210134005 its reverse (500431012), we get a palindrome (710565017).

The spelling of 210134005 in words is "two hundred ten million, one hundred thirty-four thousand, five".