138273334 has 8 divisors (see below), whose sum is σ = 214562160. Its totient is φ = 66752616.

The previous prime is 138273323. The next prime is 138273347. The reversal of 138273334 is 433372831.

138273334 is digitally balanced in base 2, 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 a self number, because there is not a number n which added to its sum of digits gives 138273334.

It is a congruent number.

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, 1191954 + ... + 1192069.

It is an arithmetic number, because the mean of its divisors is an integer number (26820270).

Almost surely, 2^138273334 is an apocalyptic number.

138273334 is a deficient number, since it is larger than the sum of its proper divisors (76288826).

138273334 is a wasteful number, since it uses less digits than its factorization.

138273334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384054.

The product of its digits is 36288, while the sum is 34.

The square root of 138273334 is about 11758.9682370521. The cubic root of 138273334 is about 517.1058824100.

It can be divided in two parts, 13827 and 3334, that added together give a square (17161 = 131²).

The spelling of 138273334 in words is "one hundred thirty-eight million, two hundred seventy-three thousand, three hundred thirty-four".