139303717 has 12 divisors (see below), whose sum is σ = 162308640. Its totient is φ = 119210616.

The previous prime is 139303711. The next prime is 139303721. The reversal of 139303717 is 717303931.

It is a happy number.

It is not a de Polignac number, because 139303717 - 2⁷ = 139303589 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 (139303711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34288 + ... + 38134.

It is an arithmetic number, because the mean of its divisors is an integer number (13525720).

Almost surely, 2^139303717 is an apocalyptic number.

It is an amenable number.

139303717 is a deficient number, since it is larger than the sum of its proper divisors (23004923).

139303717 is an equidigital number, since it uses as much as digits as its factorization.

139303717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600 (or 4593 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 34.

The square root of 139303717 is about 11802.6995640828. The cubic root of 139303717 is about 518.3871588203.

The spelling of 139303717 in words is "one hundred thirty-nine million, three hundred three thousand, seven hundred seventeen".