139060206 has 32 divisors (see below), whose sum is σ = 311294880. Its totient is φ = 46012608.

The previous prime is 139060199. The next prime is 139060211. The reversal of 139060206 is 602060931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 139060206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2001 + ... + 16796.

It is an arithmetic number, because the mean of its divisors is an integer number (9727965).

Almost surely, 2^139060206 is an apocalyptic number.

139060206 is an abundant number, since it is smaller than the sum of its proper divisors (172234674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139060206 is a wasteful number, since it uses less digits than its factorization.

139060206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18945 (or 18939 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 139060206 is about 11792.3791492642. The cubic root of 139060206 is about 518.0849256761.

The spelling of 139060206 in words is "one hundred thirty-nine million, sixty thousand, two hundred six".