139983244 has 24 divisors (see below), whose sum is σ = 256048128. Its totient is φ = 66836880.

The previous prime is 139983211. The next prime is 139983251. The reversal of 139983244 is 442389931.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 139983244.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88549 + ... + 90115.

It is an arithmetic number, because the mean of its divisors is an integer number (10668672).

Almost surely, 2^139983244 is an apocalyptic number.

It is an amenable number.

139983244 is a deficient number, since it is larger than the sum of its proper divisors (116064884).

139983244 is a wasteful number, since it uses less digits than its factorization.

139983244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565 (or 2563 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 139983244 is about 11831.4514747769. The cubic root of 139983244 is about 519.2286937798.

The spelling of 139983244 in words is "one hundred thirty-nine million, nine hundred eighty-three thousand, two hundred forty-four".