139065341 has 2 divisors, whose sum is σ = 139065342. Its totient is φ = 139065340.

The previous prime is 139065331. The next prime is 139065343. The reversal of 139065341 is 143560931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78676900 + 60388441 = 8870^2 + 7771^2 .

It is an emirp because it is prime and its reverse (143560931) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139065341 is a prime.

Together with 139065343, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 139065298 and 139065307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139065343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69532670 + 69532671.

It is an arithmetic number, because the mean of its divisors is an integer number (69532671).

Almost surely, 2^139065341 is an apocalyptic number.

It is an amenable number.

139065341 is a deficient number, since it is larger than the sum of its proper divisors (1).

139065341 is an equidigital number, since it uses as much as digits as its factorization.

139065341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 139065341 is about 11792.5968726146. The cubic root of 139065341 is about 518.0913026103.

The spelling of 139065341 in words is "one hundred thirty-nine million, sixty-five thousand, three hundred forty-one".