139456148 has 12 divisors (see below), whose sum is σ = 262821300. Its totient is φ = 64364352.

The previous prime is 139456127. The next prime is 139456159. The reversal of 139456148 is 841654931.

139456148 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49168144 + 90288004 = 7012^2 + 9502^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340873 + ... + 1340976.

It is an arithmetic number, because the mean of its divisors is an integer number (21901775).

Almost surely, 2^139456148 is an apocalyptic number.

It is an amenable number.

139456148 is a deficient number, since it is larger than the sum of its proper divisors (123365152).

139456148 is a wasteful number, since it uses less digits than its factorization.

139456148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681866 (or 2681864 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 139456148 is about 11809.1552619144. The cubic root of 139456148 is about 518.5761690173.

The spelling of 139456148 in words is "one hundred thirty-nine million, four hundred fifty-six thousand, one hundred forty-eight".