139639848 has 32 divisors (see below), whose sum is σ = 349531200. Its totient is φ = 46489088.

The previous prime is 139639837. The next prime is 139639861. The reversal of 139639848 is 848936931.

It is a self number, because there is not a number n which added to its sum of digits gives 139639848.

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 7 ways as a sum of consecutive naturals, for example, 19165 + ... + 25427.

It is an arithmetic number, because the mean of its divisors is an integer number (10922850).

Almost surely, 2^139639848 is an apocalyptic number.

It is an amenable number.

139639848 is an abundant number, since it is smaller than the sum of its proper divisors (209891352).

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

139639848 is a wasteful number, since it uses less digits than its factorization.

139639848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7201 (or 7197 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 139639848 is about 11816.9305659295. The cubic root of 139639848 is about 518.8037689851.

The spelling of 139639848 in words is "one hundred thirty-nine million, six hundred thirty-nine thousand, eight hundred forty-eight".