210320134 has 8 divisors (see below), whose sum is σ = 317369808. Its totient is φ = 104530200.

The previous prime is 210320113. The next prime is 210320161. The reversal of 210320134 is 431023012.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314517 + ... + 315184.

It is an arithmetic number, because the mean of its divisors is an integer number (39671226).

Almost surely, 2^210320134 is an apocalyptic number.

210320134 is a deficient number, since it is larger than the sum of its proper divisors (107049674).

210320134 is a wasteful number, since it uses less digits than its factorization.

210320134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629870.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 210320134 is about 14502.4182121466. The cubic root of 210320134 is about 594.6940818471.

Adding to 210320134 its reverse (431023012), we get a palindrome (641343146).

The spelling of 210320134 in words is "two hundred ten million, three hundred twenty thousand, one hundred thirty-four".