138350422 has 40 divisors (see below), whose sum is σ = 247653216. Its totient is φ = 57936816.

The previous prime is 138350389. The next prime is 138350423. The reversal of 138350422 is 224053831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138350423) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 225388 + ... + 226000.

Almost surely, 2^138350422 is an apocalyptic number.

138350422 is the 9604-th pentagonal number.

138350422 is a deficient number, since it is larger than the sum of its proper divisors (109302794).

138350422 is an frugal number, since it uses more digits than its factorization.

138350422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 138350422 is about 11762.2456189284. The cubic root of 138350422 is about 517.2019608355.

The spelling of 138350422 in words is "one hundred thirty-eight million, three hundred fifty thousand, four hundred twenty-two".