215046134 has 4 divisors (see below), whose sum is σ = 322569204. Its totient is φ = 107523066.

The previous prime is 215046133. The next prime is 215046151. The reversal of 215046134 is 431640512.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215046131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53761532 + ... + 53761535.

It is an arithmetic number, because the mean of its divisors is an integer number (80642301).

Almost surely, 2^215046134 is an apocalyptic number.

215046134 is a deficient number, since it is larger than the sum of its proper divisors (107523070).

215046134 is a wasteful number, since it uses less digits than its factorization.

215046134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107523069.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 215046134 is about 14664.4513705764. The cubic root of 215046134 is about 599.1154874441.

Adding to 215046134 its reverse (431640512), we get a palindrome (646686646).

It can be divided in two parts, 2150 and 46134, that added together give a palindrome (48284).

The spelling of 215046134 in words is "two hundred fifteen million, forty-six thousand, one hundred thirty-four".