534228138 has 24 divisors (see below), whose sum is σ = 1158478308. Its totient is φ = 177924672.

The previous prime is 534228137. The next prime is 534228161. The reversal of 534228138 is 831822435.

534228138 is a `hidden beast` number, since 5 + 342 + 281 + 38 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 505035729 + 29192409 = 22473^2 + 5403^2 .

It is not an unprimeable number, because it can be changed into a prime (534228137) 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, 10270 + ... + 34262.

Almost surely, 2^534228138 is an apocalyptic number.

534228138 is an abundant number, since it is smaller than the sum of its proper divisors (624250170).

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

534228138 is a wasteful number, since it uses less digits than its factorization.

534228138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25238 (or 25235 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 534228138 is about 23113.3757378709. The cubic root of 534228138 is about 811.4135445677.

The spelling of 534228138 in words is "five hundred thirty-four million, two hundred twenty-eight thousand, one hundred thirty-eight".