139848773 has 2 divisors, whose sum is σ = 139848774. Its totient is φ = 139848772.

The previous prime is 139848769. The next prime is 139848803. The reversal of 139848773 is 377848931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134977924 + 4870849 = 11618^2 + 2207^2 .

It is a cyclic number.

It is not a de Polignac number, because 139848773 - 2² = 139848769 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139848733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69924386 + 69924387.

It is an arithmetic number, because the mean of its divisors is an integer number (69924387).

Almost surely, 2^139848773 is an apocalyptic number.

It is an amenable number.

139848773 is a deficient number, since it is larger than the sum of its proper divisors (1).

139848773 is an equidigital number, since it uses as much as digits as its factorization.

139848773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The square root of 139848773 is about 11825.7673323975. The cubic root of 139848773 is about 519.0623796579.

The spelling of 139848773 in words is "one hundred thirty-nine million, eight hundred forty-eight thousand, seven hundred seventy-three".