138983224 has 16 divisors (see below), whose sum is σ = 266654520. Its totient is φ = 67875360.

The previous prime is 138983213. The next prime is 138983237. The reversal of 138983224 is 422389831.

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, 201667 + ... + 202354.

Almost surely, 2^138983224 is an apocalyptic number.

It is an amenable number.

138983224 is a deficient number, since it is larger than the sum of its proper divisors (127671296).

138983224 is a wasteful number, since it uses less digits than its factorization.

138983224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404070 (or 404066 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 138983224 is about 11789.1146402094. The cubic root of 138983224 is about 517.9893062396.

The spelling of 138983224 in words is "one hundred thirty-eight million, nine hundred eighty-three thousand, two hundred twenty-four".