134212178 has 24 divisors (see below), whose sum is σ = 216342900. Its totient is φ = 62425088.

The previous prime is 134212171. The next prime is 134212241. The reversal of 134212178 is 871212431.

It can be written as a sum of positive squares in 6 ways, for example, as 83046769 + 51165409 = 9113^2 + 7153^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 134212178.

It is not an unprimeable number, because it can be changed into a prime (134212171) 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 11 ways as a sum of consecutive naturals, for example, 50138 + ... + 52746.

Almost surely, 2^134212178 is an apocalyptic number.

134212178 is a deficient number, since it is larger than the sum of its proper divisors (82130722).

134212178 is a wasteful number, since it uses less digits than its factorization.

134212178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734 (or 2717 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 134212178 is about 11584.9979715147. The cubic root of 134212178 is about 511.9929427128.

The spelling of 134212178 in words is "one hundred thirty-four million, two hundred twelve thousand, one hundred seventy-eight".