139984248 has 96 divisors (see below), whose sum is σ = 375269760. Its totient is φ = 43502400.

The previous prime is 139984241. The next prime is 139984253. The reversal of 139984248 is 842489931.

139984248 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 139984197 and 139984206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139984241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 926973 + ... + 927123.

It is an arithmetic number, because the mean of its divisors is an integer number (3909060).

Almost surely, 2^139984248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139984248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187634880).

139984248 is an abundant number, since it is smaller than the sum of its proper divisors (235285512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139984248 is a wasteful number, since it uses less digits than its factorization.

139984248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 282 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 139984248 is about 11831.4939039836. The cubic root of 139984248 is about 519.2299351292.

The spelling of 139984248 in words is "one hundred thirty-nine million, nine hundred eighty-four thousand, two hundred forty-eight".