139328144 has 20 divisors (see below), whose sum is σ = 272077824. Its totient is φ = 69114528.

The previous prime is 139328143. The next prime is 139328171. The reversal of 139328144 is 441823931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139328143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32252 + ... + 36315.

Almost surely, 2^139328144 is an apocalyptic number.

It is an amenable number.

139328144 is a deficient number, since it is larger than the sum of its proper divisors (132749680).

139328144 is a wasteful number, since it uses less digits than its factorization.

139328144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68702 (or 68696 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 139328144 is about 11803.7343243568. The cubic root of 139328144 is about 518.4174568945.

The spelling of 139328144 in words is "one hundred thirty-nine million, three hundred twenty-eight thousand, one hundred forty-four".