139860214 has 16 divisors (see below), whose sum is σ = 233719920. Its totient is φ = 62324640.

The previous prime is 139860199. The next prime is 139860223. The reversal of 139860214 is 412068931.

139860214 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 139860214.

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, 91992 + ... + 93499.

It is an arithmetic number, because the mean of its divisors is an integer number (14607495).

Almost surely, 2^139860214 is an apocalyptic number.

139860214 is a deficient number, since it is larger than the sum of its proper divisors (93859706).

139860214 is a wasteful number, since it uses less digits than its factorization.

139860214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185535.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 139860214 is about 11826.2510543282. The cubic root of 139860214 is about 519.0765340683.

The spelling of 139860214 in words is "one hundred thirty-nine million, eight hundred sixty thousand, two hundred fourteen".