139321163 has 2 divisors, whose sum is σ = 139321164. Its totient is φ = 139321162.

The previous prime is 139321139. The next prime is 139321187. The reversal of 139321163 is 361123931.

It is a balanced prime because it is at equal distance from previous prime (139321139) and next prime (139321187).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139321163 is a prime.

It is not a weakly prime, because it can be changed into another prime (139321123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69660581 + 69660582.

It is an arithmetic number, because the mean of its divisors is an integer number (69660582).

Almost surely, 2^139321163 is an apocalyptic number.

139321163 is a deficient number, since it is larger than the sum of its proper divisors (1).

139321163 is an equidigital number, since it uses as much as digits as its factorization.

139321163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 29.

The square root of 139321163 is about 11803.4386091511. The cubic root of 139321163 is about 518.4087983598.

The spelling of 139321163 in words is "one hundred thirty-nine million, three hundred twenty-one thousand, one hundred sixty-three".