138227058 has 12 divisors (see below), whose sum is σ = 299491998. Its totient is φ = 46075680.

The previous prime is 138227053. The next prime is 138227081. The reversal of 138227058 is 850722831.

138227058 is a `hidden beast` number, since 1 + 382 + 270 + 5 + 8 = 666.

138227058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 138227049 + 9 = 11757^2 + 3^2 .

It is not an unprimeable number, because it can be changed into a prime (138227053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3839623 + ... + 3839658.

Almost surely, 2^138227058 is an apocalyptic number.

138227058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

138227058 is an abundant number, since it is smaller than the sum of its proper divisors (161264940).

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

138227058 is a wasteful number, since it uses less digits than its factorization.

138227058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7679289 (or 7679286 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 138227058 is about 11757.0003827507. Note that the first 3 decimals coincide. The cubic root of 138227058 is about 517.0481892859.

Adding to 138227058 its reverse (850722831), we get a palindrome (988949889).

The spelling of 138227058 in words is "one hundred thirty-eight million, two hundred twenty-seven thousand, fifty-eight".