215134113 has 8 divisors (see below), whose sum is σ = 286929088. Its totient is φ = 143380944.

The previous prime is 215134109. The next prime is 215134159. The reversal of 215134113 is 311431512.

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

It is not a de Polignac number, because 215134113 - 2² = 215134109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 215134113.

It is not an unprimeable number, because it can be changed into a prime (215134313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4695 + ... + 21267.

It is an arithmetic number, because the mean of its divisors is an integer number (35866136).

Almost surely, 2^215134113 is an apocalyptic number.

It is an amenable number.

215134113 is a deficient number, since it is larger than the sum of its proper divisors (71794975).

215134113 is a wasteful number, since it uses less digits than its factorization.

215134113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20903.

The product of its digits is 360, while the sum is 21.

The square root of 215134113 is about 14667.4508010083. The cubic root of 215134113 is about 599.1971790544.

Adding to 215134113 its reverse (311431512), we get a palindrome (526565625).

The spelling of 215134113 in words is "two hundred fifteen million, one hundred thirty-four thousand, one hundred thirteen".