213512364 has 36 divisors (see below), whose sum is σ = 581229376. Its totient is φ = 65695968.

The previous prime is 213512357. The next prime is 213512389. The reversal of 213512364 is 463215312.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227644 + ... + 228579.

Almost surely, 2^213512364 is an apocalyptic number.

It is an amenable number.

213512364 is an abundant number, since it is smaller than the sum of its proper divisors (367717012).

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

213512364 is a wasteful number, since it uses less digits than its factorization.

213512364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456246 (or 456241 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 213512364 is about 14612.0622774474. The cubic root of 213512364 is about 597.6877338222.

Adding to 213512364 its reverse (463215312), we get a palindrome (676727676).

The spelling of 213512364 in words is "two hundred thirteen million, five hundred twelve thousand, three hundred sixty-four".