213130134 has 48 divisors (see below), whose sum is σ = 528622848. Its totient is φ = 60793776.

The previous prime is 213130117. The next prime is 213130147. The reversal of 213130134 is 431031312.

213130134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110809 + ... + 112715.

It is an arithmetic number, because the mean of its divisors is an integer number (11012976).

Almost surely, 2^213130134 is an apocalyptic number.

213130134 is an abundant number, since it is smaller than the sum of its proper divisors (315492714).

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

213130134 is a wasteful number, since it uses less digits than its factorization.

213130134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809 (or 2806 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 213130134 is about 14598.9771559517. The cubic root of 213130134 is about 597.3308604305.

Adding to 213130134 its reverse (431031312), we get a palindrome (644161446).

The spelling of 213130134 in words is "two hundred thirteen million, one hundred thirty thousand, one hundred thirty-four".