139073206 has 8 divisors (see below), whose sum is σ = 208948680. Its totient is φ = 69423648.

The previous prime is 139073201. The next prime is 139073227. The reversal of 139073206 is 602370931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139073201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54931 + ... + 57406.

It is an arithmetic number, because the mean of its divisors is an integer number (26118585).

Almost surely, 2^139073206 is an apocalyptic number.

139073206 is a deficient number, since it is larger than the sum of its proper divisors (69875474).

139073206 is a wasteful number, since it uses less digits than its factorization.

139073206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112958.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 139073206 is about 11792.9303398265. The cubic root of 139073206 is about 518.1010695090.

The spelling of 139073206 in words is "one hundred thirty-nine million, seventy-three thousand, two hundred six".