139322727 has 8 divisors (see below), whose sum is σ = 206404080. Its totient is φ = 92881800.

The previous prime is 139322669. The next prime is 139322731. The reversal of 139322727 is 727223931.

It is not a de Polignac number, because 139322727 - 2¹¹ = 139320679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139322691 and 139322700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139322747) 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, 2580024 + ... + 2580077.

It is an arithmetic number, because the mean of its divisors is an integer number (25800510).

Almost surely, 2^139322727 is an apocalyptic number.

139322727 is a deficient number, since it is larger than the sum of its proper divisors (67081353).

139322727 is an equidigital number, since it uses as much as digits as its factorization.

139322727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160110 (or 5160104 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 139322727 is about 11803.5048608454. The cubic root of 139322727 is about 518.4107382142.

The spelling of 139322727 in words is "one hundred thirty-nine million, three hundred twenty-two thousand, seven hundred twenty-seven".