138226334 has 16 divisors (see below), whose sum is σ = 219252096. Its totient is φ = 65251200.

The previous prime is 138226301. The next prime is 138226351. The reversal of 138226334 is 433622831.

138226334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×138226334² = 38213038822159112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 138226334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24647 + ... + 29730.

It is an arithmetic number, because the mean of its divisors is an integer number (13703256).

Almost surely, 2^138226334 is an apocalyptic number.

138226334 is a deficient number, since it is larger than the sum of its proper divisors (81025762).

138226334 is a wasteful number, since it uses less digits than its factorization.

138226334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54451.

The product of its digits is 20736, while the sum is 32.

The square root of 138226334 is about 11756.9695925438. The cubic root of 138226334 is about 517.0472865598.

The spelling of 138226334 in words is "one hundred thirty-eight million, two hundred twenty-six thousand, three hundred thirty-four".