138348226 has 8 divisors (see below), whose sum is σ = 214216704. Its totient is φ = 66942660.

The previous prime is 138348181. The next prime is 138348247. The reversal of 138348226 is 622843831.

138348226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115650 + ... + 1115773.

It is an arithmetic number, because the mean of its divisors is an integer number (26777088).

Almost surely, 2^138348226 is an apocalyptic number.

138348226 is a deficient number, since it is larger than the sum of its proper divisors (75868478).

138348226 is a wasteful number, since it uses less digits than its factorization.

138348226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231456.

The product of its digits is 55296, while the sum is 37.

The square root of 138348226 is about 11762.1522690365. The cubic root of 138348226 is about 517.1992243506.

The spelling of 138348226 in words is "one hundred thirty-eight million, three hundred forty-eight thousand, two hundred twenty-six".