213535534 has 8 divisors (see below), whose sum is σ = 321486048. Its totient is φ = 106373520.

The previous prime is 213535529. The next prime is 213535541. The reversal of 213535534 is 435535312.

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

It is a junction number, because it is equal to n+sod(n) for n = 213535496 and 213535505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196447 + ... + 197530.

It is an arithmetic number, because the mean of its divisors is an integer number (40185756).

Almost surely, 2^213535534 is an apocalyptic number.

213535534 is a deficient number, since it is larger than the sum of its proper divisors (107950514).

213535534 is a wasteful number, since it uses less digits than its factorization.

213535534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394250.

The product of its digits is 27000, while the sum is 31.

The square root of 213535534 is about 14612.8550940602. The cubic root of 213535534 is about 597.7093530602.

The spelling of 213535534 in words is "two hundred thirteen million, five hundred thirty-five thousand, five hundred thirty-four".