210316134 has 24 divisors (see below), whose sum is σ = 489307608. Its totient is φ = 60090240.

The previous prime is 210316133. The next prime is 210316147. The reversal of 210316134 is 431613012.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 210316134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210316133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357387 + ... + 357974.

It is an arithmetic number, because the mean of its divisors is an integer number (20387817).

Almost surely, 2^210316134 is an apocalyptic number.

210316134 is an abundant number, since it is smaller than the sum of its proper divisors (278991474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210316134 is a wasteful number, since it uses less digits than its factorization.

210316134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715380 (or 715373 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 210316134 is about 14502.2803034557. The cubic root of 210316134 is about 594.6903117351.

Adding to 210316134 its reverse (431613012), we get a palindrome (641929146).

The spelling of 210316134 in words is "two hundred ten million, three hundred sixteen thousand, one hundred thirty-four".