213070134 has 32 divisors (see below), whose sum is σ = 442494720. Its totient is φ = 68316192.

The previous prime is 213070127. The next prime is 213070139. The reversal of 213070134 is 431070312.

213070134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 213070134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213070139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47079 + ... + 51405.

It is an arithmetic number, because the mean of its divisors is an integer number (13827960).

Almost surely, 2^213070134 is an apocalyptic number.

213070134 is an abundant number, since it is smaller than the sum of its proper divisors (229424586).

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

213070134 is a wasteful number, since it uses less digits than its factorization.

213070134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 213070134 is about 14596.9220728207. The cubic root of 213070134 is about 597.2748020110.

The spelling of 213070134 in words is "two hundred thirteen million, seventy thousand, one hundred thirty-four".