213325134 has 16 divisors (see below), whose sum is σ = 465436800. Its totient is φ = 64643960.

The previous prime is 213325127. The next prime is 213325153. The reversal of 213325134 is 431523312.

213325134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213325134² = 91015225592235912, which contains 22 as substring.

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, 1616034 + ... + 1616165.

It is an arithmetic number, because the mean of its divisors is an integer number (29089800).

Almost surely, 2^213325134 is an apocalyptic number.

213325134 is an abundant number, since it is smaller than the sum of its proper divisors (252111666).

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

213325134 is a wasteful number, since it uses less digits than its factorization.

213325134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232215.

The product of its digits is 2160, while the sum is 24.

The square root of 213325134 is about 14605.6541791184. The cubic root of 213325134 is about 597.5129776655.

Adding to 213325134 its reverse (431523312), we get a palindrome (644848446).

The spelling of 213325134 in words is "two hundred thirteen million, three hundred twenty-five thousand, one hundred thirty-four".