296800139 has 4 divisors (see below), whose sum is σ = 297103056. Its totient is φ = 296497224.

The previous prime is 296800129. The next prime is 296800193. The reversal of 296800139 is 931008692.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-296800139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (296800129) 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, 149984 + ... + 151949.

It is an arithmetic number, because the mean of its divisors is an integer number (74275764).

Almost surely, 2^296800139 is an apocalyptic number.

296800139 is a deficient number, since it is larger than the sum of its proper divisors (302917).

296800139 is an equidigital number, since it uses as much as digits as its factorization.

296800139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302916.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 296800139 is about 17227.8884080435. Note that the first 3 decimals coincide. The cubic root of 296800139 is about 667.0443347043.

The spelling of 296800139 in words is "two hundred ninety-six million, eight hundred thousand, one hundred thirty-nine".