139789313 has 2 divisors, whose sum is σ = 139789314. Its totient is φ = 139789312.

The previous prime is 139789303. The next prime is 139789337. The reversal of 139789313 is 313987931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115068529 + 24720784 = 10727^2 + 4972^2 .

It is an emirp because it is prime and its reverse (313987931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139789313 - 2¹⁰ = 139788289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (139789303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69894656 + 69894657.

It is an arithmetic number, because the mean of its divisors is an integer number (69894657).

Almost surely, 2^139789313 is an apocalyptic number.

It is an amenable number.

139789313 is a deficient number, since it is larger than the sum of its proper divisors (1).

139789313 is an equidigital number, since it uses as much as digits as its factorization.

139789313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 44.

The square root of 139789313 is about 11823.2530633494. The cubic root of 139789313 is about 518.9888053639.

The spelling of 139789313 in words is "one hundred thirty-nine million, seven hundred eighty-nine thousand, three hundred thirteen".