239203703109 has 12 divisors (see below), whose sum is σ = 364504296224. Its totient is φ = 136686549624.

The previous prime is 239203703087. The next prime is 239203703117. The reversal of 239203703109 is 901307302932.

It is not a de Polignac number, because 239203703109 - 2¹⁵ = 239203670341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239203703129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2187904 + ... + 2294630.

Almost surely, 2^239203703109 is an apocalyptic number.

It is an amenable number.

239203703109 is a deficient number, since it is larger than the sum of its proper divisors (125300593115).

239203703109 is an frugal number, since it uses more digits than its factorization.

239203703109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213464 (or 106737 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 39.

The spelling of 239203703109 in words is "two hundred thirty-nine billion, two hundred three million, seven hundred three thousand, one hundred nine".