213413534 has 8 divisors (see below), whose sum is σ = 320682648. Its totient is φ = 106519320.

The previous prime is 213413509. The next prime is 213413537. The reversal of 213413534 is 435314312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213413537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92297 + ... + 94580.

It is an arithmetic number, because the mean of its divisors is an integer number (40085331).

Almost surely, 2^213413534 is an apocalyptic number.

213413534 is a deficient number, since it is larger than the sum of its proper divisors (107269114).

213413534 is a wasteful number, since it uses less digits than its factorization.

213413534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187450.

The product of its digits is 4320, while the sum is 26.

The square root of 213413534 is about 14608.6800909596. The cubic root of 213413534 is about 597.5955009198.

Adding to 213413534 its reverse (435314312), we get a palindrome (648727846).

The spelling of 213413534 in words is "two hundred thirteen million, four hundred thirteen thousand, five hundred thirty-four".