139238848 has 28 divisors (see below), whose sum is σ = 315774832. Its totient is φ = 59673600.

The previous prime is 139238839. The next prime is 139238873. The reversal of 139238848 is 848832931.

It is a tau number, because it is divible by the number of its divisors (28).

It is a junction number, because it is equal to n+sod(n) for n = 139238798 and 139238807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154953 + ... + 155848.

Almost surely, 2^139238848 is an apocalyptic number.

It is an amenable number.

139238848 is an abundant number, since it is smaller than the sum of its proper divisors (176535984).

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

139238848 is an equidigital number, since it uses as much as digits as its factorization.

139238848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310820 (or 310810 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 139238848 is about 11799.9511863397. The cubic root of 139238848 is about 518.3066812413.

The spelling of 139238848 in words is "one hundred thirty-nine million, two hundred thirty-eight thousand, eight hundred forty-eight".