215255134 has 8 divisors (see below), whose sum is σ = 333298368. Its totient is φ = 104155680.

The previous prime is 215255129. The next prime is 215255141. The reversal of 215255134 is 431552512.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1735867 + ... + 1735990.

It is an arithmetic number, because the mean of its divisors is an integer number (41662296).

Almost surely, 2^215255134 is an apocalyptic number.

215255134 is a deficient number, since it is larger than the sum of its proper divisors (118043234).

215255134 is a wasteful number, since it uses less digits than its factorization.

215255134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471890.

The product of its digits is 6000, while the sum is 28.

The square root of 215255134 is about 14671.5757163299. The cubic root of 215255134 is about 599.3095149481.

The spelling of 215255134 in words is "two hundred fifteen million, two hundred fifty-five thousand, one hundred thirty-four".