139348723 has 2 divisors, whose sum is σ = 139348724. Its totient is φ = 139348722.

The previous prime is 139348721. The next prime is 139348739. The reversal of 139348723 is 327843931.

139348723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139348723 - 2¹ = 139348721 is a prime.

Together with 139348721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (139348721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69674361 + 69674362.

It is an arithmetic number, because the mean of its divisors is an integer number (69674362).

Almost surely, 2^139348723 is an apocalyptic number.

139348723 is a deficient number, since it is larger than the sum of its proper divisors (1).

139348723 is an equidigital number, since it uses as much as digits as its factorization.

139348723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 139348723 is about 11804.6060078259. The cubic root of 139348723 is about 518.4429793466.

The spelling of 139348723 in words is "one hundred thirty-nine million, three hundred forty-eight thousand, seven hundred twenty-three".