139272206 has 4 divisors (see below), whose sum is σ = 208908312. Its totient is φ = 69636102.

The previous prime is 139272193. The next prime is 139272229. The reversal of 139272206 is 602272931.

It is a happy number.

139272206 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34818050 + ... + 34818053.

It is an arithmetic number, because the mean of its divisors is an integer number (52227078).

Almost surely, 2^139272206 is an apocalyptic number.

139272206 is a deficient number, since it is larger than the sum of its proper divisors (69636106).

139272206 is an equidigital number, since it uses as much as digits as its factorization.

139272206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69636105.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 139272206 is about 11801.3645821151. The cubic root of 139272206 is about 518.3480688617.

The spelling of 139272206 in words is "one hundred thirty-nine million, two hundred seventy-two thousand, two hundred six".