215135230 has 8 divisors (see below), whose sum is σ = 387243432. Its totient is φ = 86054088.

The previous prime is 215135209. The next prime is 215135243. The reversal of 215135230 is 32531512.

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

It is a zygodrome in base 3.

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, 10756752 + ... + 10756771.

It is an arithmetic number, because the mean of its divisors is an integer number (48405429).

Almost surely, 2^215135230 is an apocalyptic number.

215135230 is a deficient number, since it is larger than the sum of its proper divisors (172108202).

215135230 is a wasteful number, since it uses less digits than its factorization.

215135230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21513530.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 215135230 is about 14667.4888784686. The cubic root of 215135230 is about 599.1982160852.

Adding to 215135230 its reverse (32531512), we get a palindrome (247666742).

The spelling of 215135230 in words is "two hundred fifteen million, one hundred thirty-five thousand, two hundred thirty".