215485134 has 16 divisors (see below), whose sum is σ = 431609472. Its totient is φ = 71721848.

The previous prime is 215485129. The next prime is 215485139. The reversal of 215485134 is 431584512.

It is an interprime number because it is at equal distance from previous prime (215485129) and next prime (215485139).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 215485095 and 215485104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215485139) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22194 + ... + 30389.

It is an arithmetic number, because the mean of its divisors is an integer number (26975592).

Almost surely, 2^215485134 is an apocalyptic number.

215485134 is an abundant number, since it is smaller than the sum of its proper divisors (216124338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215485134 is a wasteful number, since it uses less digits than its factorization.

215485134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53271.

The product of its digits is 19200, while the sum is 33.

The square root of 215485134 is about 14679.4119092013. The cubic root of 215485134 is about 599.5228929375.

The spelling of 215485134 in words is "two hundred fifteen million, four hundred eighty-five thousand, one hundred thirty-four".