139646848 has 32 divisors (see below), whose sum is σ = 303496920. Its totient is φ = 63475200.

The previous prime is 139646839. The next prime is 139646849. The reversal of 139646848 is 848646931.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139646849) by changing a digit.

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, 48183 + ... + 50998.

Almost surely, 2^139646848 is an apocalyptic number.

It is an amenable number.

139646848 is an abundant number, since it is smaller than the sum of its proper divisors (163850072).

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

139646848 is an equidigital number, since it uses as much as digits as its factorization.

139646848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99206 (or 99194 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 139646848 is about 11817.2267474226. The cubic root of 139646848 is about 518.8124378709.

The spelling of 139646848 in words is "one hundred thirty-nine million, six hundred forty-six thousand, eight hundred forty-eight".