139980196 has 12 divisors (see below), whose sum is σ = 245439180. Its totient is φ = 69854720.

The previous prime is 139980133. The next prime is 139980209. The reversal of 139980196 is 691089931.

It can be written as a sum of positive squares in 2 ways, for example, as 33477796 + 106502400 = 5786^2 + 10320^2 .

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, 31501 + ... + 35668.

It is an arithmetic number, because the mean of its divisors is an integer number (20453265).

Almost surely, 2^139980196 is an apocalyptic number.

It is an amenable number.

139980196 is a deficient number, since it is larger than the sum of its proper divisors (105458984).

139980196 is a wasteful number, since it uses less digits than its factorization.

139980196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67694 (or 67692 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 139980196 is about 11831.3226648587. The cubic root of 139980196 is about 519.2249251845.

The spelling of 139980196 in words is "one hundred thirty-nine million, nine hundred eighty thousand, one hundred ninety-six".