215133208 has 16 divisors (see below), whose sum is σ = 403749000. Its totient is φ = 107466816.

The previous prime is 215133197. The next prime is 215133227. The reversal of 215133208 is 802331512.

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, 2878 + ... + 20941.

Almost surely, 2^215133208 is an apocalyptic number.

It is an amenable number.

215133208 is a deficient number, since it is larger than the sum of its proper divisors (188615792).

215133208 is a wasteful number, since it uses less digits than its factorization.

215133208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24954 (or 24950 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 215133208 is about 14667.4199503525. The cubic root of 215133208 is about 599.1963388433.

The spelling of 215133208 in words is "two hundred fifteen million, one hundred thirty-three thousand, two hundred eight".