139073177 has 2 divisors, whose sum is σ = 139073178. Its totient is φ = 139073176.

The previous prime is 139073171. The next prime is 139073197. The reversal of 139073177 is 771370931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70829056 + 68244121 = 8416^2 + 8261^2 .

It is a cyclic number.

It is not a de Polignac number, because 139073177 - 2²⁶ = 71964313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139073177.

It is not a weakly prime, because it can be changed into another prime (139073171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69536588 + 69536589.

It is an arithmetic number, because the mean of its divisors is an integer number (69536589).

Almost surely, 2^139073177 is an apocalyptic number.

It is an amenable number.

139073177 is a deficient number, since it is larger than the sum of its proper divisors (1).

139073177 is an equidigital number, since it uses as much as digits as its factorization.

139073177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27783, while the sum is 38.

The square root of 139073177 is about 11792.9291102762. The cubic root of 139073177 is about 518.1010334969.

The spelling of 139073177 in words is "one hundred thirty-nine million, seventy-three thousand, one hundred seventy-seven".