139417063 has 2 divisors, whose sum is σ = 139417064. Its totient is φ = 139417062.

The previous prime is 139417049. The next prime is 139417093. The reversal of 139417063 is 360714931.

It is a weak prime.

It is an emirp because it is prime and its reverse (360714931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139417063 - 2²¹ = 137319911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139417043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69708531 + 69708532.

It is an arithmetic number, because the mean of its divisors is an integer number (69708532).

Almost surely, 2^139417063 is an apocalyptic number.

139417063 is a deficient number, since it is larger than the sum of its proper divisors (1).

139417063 is an equidigital number, since it uses as much as digits as its factorization.

139417063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 139417063 is about 11807.5002858353. The cubic root of 139417063 is about 518.5277178406.

The spelling of 139417063 in words is "one hundred thirty-nine million, four hundred seventeen thousand, sixty-three".