215133196 has 12 divisors (see below), whose sum is σ = 380365048. Its totient is φ = 106457472.

The previous prime is 215133187. The next prime is 215133197. The reversal of 215133196 is 691331512.

215133196 = 89² + 90² + ... + 864².

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (215133197) 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, 276846 + ... + 277621.

Almost surely, 2^215133196 is an apocalyptic number.

It is an amenable number.

215133196 is a deficient number, since it is larger than the sum of its proper divisors (165231852).

215133196 is a wasteful number, since it uses less digits than its factorization.

215133196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554568 (or 554566 counting only the distinct ones).

The product of its digits is 4860, while the sum is 31.

The square root of 215133196 is about 14667.4195412826. The cubic root of 215133196 is about 599.1963277024.

The spelling of 215133196 in words is "two hundred fifteen million, one hundred thirty-three thousand, one hundred ninety-six".