139340611 has 2 divisors, whose sum is σ = 139340612. Its totient is φ = 139340610.

The previous prime is 139340609. The next prime is 139340627. The reversal of 139340611 is 116043931.

It is a weak prime.

It is an emirp because it is prime and its reverse (116043931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139340611 - 2¹ = 139340609 is a prime.

Together with 139340609, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139340611.

It is not a weakly prime, because it can be changed into another prime (139340111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69670305 + 69670306.

It is an arithmetic number, because the mean of its divisors is an integer number (69670306).

Almost surely, 2^139340611 is an apocalyptic number.

139340611 is a deficient number, since it is larger than the sum of its proper divisors (1).

139340611 is an equidigital number, since it uses as much as digits as its factorization.

139340611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 139340611 is about 11804.2624081304. The cubic root of 139340611 is about 518.4329189959.

The spelling of 139340611 in words is "one hundred thirty-nine million, three hundred forty thousand, six hundred eleven".