138333422 has 16 divisors (see below), whose sum is σ = 215373600. Its totient is φ = 66558240.

The previous prime is 138333409. The next prime is 138333427. The reversal of 138333422 is 224333831.

It is a super-2 number, since 2×138333422² = 38272271284460168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138333427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14204 + ... + 21872.

It is an arithmetic number, because the mean of its divisors is an integer number (13460850).

Almost surely, 2^138333422 is an apocalyptic number.

138333422 is a deficient number, since it is larger than the sum of its proper divisors (77040178).

138333422 is a wasteful number, since it uses less digits than its factorization.

138333422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8011.

The product of its digits is 10368, while the sum is 29.

The square root of 138333422 is about 11761.5229456053. The cubic root of 138333422 is about 517.1807759984.

The spelling of 138333422 in words is "one hundred thirty-eight million, three hundred thirty-three thousand, four hundred twenty-two".