139120612 has 12 divisors (see below), whose sum is σ = 244698300. Its totient is φ = 69206816.

The previous prime is 139120607. The next prime is 139120621. The reversal of 139120612 is 216021931.

139120612 is digitally balanced in base 2, 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 107039716 + 32080896 = 10346^2 + 5664^2 .

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, 87487 + ... + 89062.

It is an arithmetic number, because the mean of its divisors is an integer number (20391525).

Almost surely, 2^139120612 is an apocalyptic number.

It is an amenable number.

139120612 is a deficient number, since it is larger than the sum of its proper divisors (105577688).

139120612 is a wasteful number, since it uses less digits than its factorization.

139120612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176750 (or 176748 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 139120612 is about 11794.9401015859. The cubic root of 139120612 is about 518.1599313363.

The spelling of 139120612 in words is "one hundred thirty-nine million, one hundred twenty thousand, six hundred twelve".