218670134 has 8 divisors (see below), whose sum is σ = 329969808. Its totient is φ = 108680200.

The previous prime is 218670119. The next prime is 218670139. The reversal of 218670134 is 431076812.

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

It is a self number, because there is not a number n which added to its sum of digits gives 218670134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218670139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327017 + ... + 327684.

It is an arithmetic number, because the mean of its divisors is an integer number (41246226).

Almost surely, 2^218670134 is an apocalyptic number.

218670134 is a deficient number, since it is larger than the sum of its proper divisors (111299674).

218670134 is a wasteful number, since it uses less digits than its factorization.

218670134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654870.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 218670134 is about 14787.4992476754. The cubic root of 218670134 is about 602.4622281951.

The spelling of 218670134 in words is "two hundred eighteen million, six hundred seventy thousand, one hundred thirty-four".