139386313 has 8 divisors (see below), whose sum is σ = 153315936. Its totient is φ = 126713620.

The previous prime is 139386311. The next prime is 139386319. The reversal of 139386313 is 313683931.

It is a happy number.

It is not a de Polignac number, because 139386313 - 2¹ = 139386311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139386311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51031 + ... + 53692.

It is an arithmetic number, because the mean of its divisors is an integer number (19164492).

Almost surely, 2^139386313 is an apocalyptic number.

It is an amenable number.

139386313 is a deficient number, since it is larger than the sum of its proper divisors (13929623).

139386313 is an equidigital number, since it uses as much as digits as its factorization.

139386313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104756 (or 104734 counting only the distinct ones).

The product of its digits is 34992, while the sum is 37.

The square root of 139386313 is about 11806.1980755872. The cubic root of 139386313 is about 518.4895926657.

The spelling of 139386313 in words is "one hundred thirty-nine million, three hundred eighty-six thousand, three hundred thirteen".