138224182 has 8 divisors (see below), whose sum is σ = 207442152. Its totient is φ = 69076800.

The previous prime is 138224173. The next prime is 138224189. The reversal of 138224182 is 281422831.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138224189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12444 + ... + 20767.

It is an arithmetic number, because the mean of its divisors is an integer number (25930269).

Almost surely, 2^138224182 is an apocalyptic number.

138224182 is a deficient number, since it is larger than the sum of its proper divisors (69217970).

138224182 is a wasteful number, since it uses less digits than its factorization.

138224182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35294.

The product of its digits is 6144, while the sum is 31.

The square root of 138224182 is about 11756.8780720053. The cubic root of 138224182 is about 517.0446032999.

The spelling of 138224182 in words is "one hundred thirty-eight million, two hundred twenty-four thousand, one hundred eighty-two".