135371773 has 2 divisors, whose sum is σ = 135371774. Its totient is φ = 135371772.

The previous prime is 135371741. The next prime is 135371801. The reversal of 135371773 is 377173531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115498009 + 19873764 = 10747^2 + 4458^2 .

It is a cyclic number.

It is not a de Polignac number, because 135371773 - 2⁵ = 135371741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135371723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67685886 + 67685887.

It is an arithmetic number, because the mean of its divisors is an integer number (67685887).

Almost surely, 2^135371773 is an apocalyptic number.

It is an amenable number.

135371773 is a deficient number, since it is larger than the sum of its proper divisors (1).

135371773 is an equidigital number, since it uses as much as digits as its factorization.

135371773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46305, while the sum is 37.

The square root of 135371773 is about 11634.9376018954. The cubic root of 135371773 is about 513.4632582340.

The spelling of 135371773 in words is "one hundred thirty-five million, three hundred seventy-one thousand, seven hundred seventy-three".