139307365 has 8 divisors (see below), whose sum is σ = 168445728. Its totient is φ = 110594640.

The previous prime is 139307353. The next prime is 139307369. The reversal of 139307365 is 563703931.

It is a happy number.

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

It is not a de Polignac number, because 139307365 - 2⁷ = 139307237 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 (139307369) 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 7 ways as a sum of consecutive naturals, for example, 105687 + ... + 106996.

It is an arithmetic number, because the mean of its divisors is an integer number (21055716).

Almost surely, 2^139307365 is an apocalyptic number.

It is an amenable number.

139307365 is a deficient number, since it is larger than the sum of its proper divisors (29138363).

139307365 is a wasteful number, since it uses less digits than its factorization.

139307365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212819.

The product of its (nonzero) digits is 51030, while the sum is 37.

The square root of 139307365 is about 11802.8541039869. The cubic root of 139307365 is about 518.3916838487.

The spelling of 139307365 in words is "one hundred thirty-nine million, three hundred seven thousand, three hundred sixty-five".