139708216 has 32 divisors (see below), whose sum is σ = 277794000. Its totient is φ = 65684736.

The previous prime is 139708181. The next prime is 139708237. The reversal of 139708216 is 612807931.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17470 + ... + 24178.

Almost surely, 2^139708216 is an apocalyptic number.

It is an amenable number.

139708216 is a deficient number, since it is larger than the sum of its proper divisors (138085784).

139708216 is a wasteful number, since it uses less digits than its factorization.

139708216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6871 (or 6867 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 139708216 is about 11819.8230105192. The cubic root of 139708216 is about 518.8884243551. Note that the first 3 decimals are identical.

The spelling of 139708216 in words is "one hundred thirty-nine million, seven hundred eight thousand, two hundred sixteen".