218046134 has 16 divisors (see below), whose sum is σ = 334854000. Its totient is φ = 106448160.

The previous prime is 218046133. The next prime is 218046137. The reversal of 218046134 is 431640812.

It is a super-3 number, since 3×218046134³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 218046097 and 218046106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218046133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17492 + ... + 27240.

It is an arithmetic number, because the mean of its divisors is an integer number (20928375).

Almost surely, 2^218046134 is an apocalyptic number.

218046134 is a deficient number, since it is larger than the sum of its proper divisors (116807866).

218046134 is a wasteful number, since it uses less digits than its factorization.

218046134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10015.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 218046134 is about 14766.3852719614. The cubic root of 218046134 is about 601.8886174877. Note that the first 3 decimals are identical.

Adding to 218046134 its reverse (431640812), we get a palindrome (649686946).

The spelling of 218046134 in words is "two hundred eighteen million, forty-six thousand, one hundred thirty-four".