139460773 has 2 divisors, whose sum is σ = 139460774. Its totient is φ = 139460772.

The previous prime is 139460743. The next prime is 139460791. The reversal of 139460773 is 377064931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132664324 + 6796449 = 11518^2 + 2607^2 .

It is a cyclic number.

It is not a de Polignac number, because 139460773 - 2⁹ = 139460261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139460743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69730386 + 69730387.

It is an arithmetic number, because the mean of its divisors is an integer number (69730387).

Almost surely, 2^139460773 is an apocalyptic number.

It is an amenable number.

139460773 is a deficient number, since it is larger than the sum of its proper divisors (1).

139460773 is an equidigital number, since it uses as much as digits as its factorization.

139460773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 139460773 is about 11809.3510829342. The cubic root of 139460773 is about 518.5819017352.

The spelling of 139460773 in words is "one hundred thirty-nine million, four hundred sixty thousand, seven hundred seventy-three".