135161773 has 2 divisors, whose sum is σ = 135161774. Its totient is φ = 135161772.

The previous prime is 135161759. The next prime is 135161791. The reversal of 135161773 is 377161531.

135161773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133125444 + 2036329 = 11538^2 + 1427^2 .

It is a cyclic number.

It is not a de Polignac number, because 135161773 - 2⁹ = 135161261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135191773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67580886 + 67580887.

It is an arithmetic number, because the mean of its divisors is an integer number (67580887).

Almost surely, 2^135161773 is an apocalyptic number.

It is an amenable number.

135161773 is a deficient number, since it is larger than the sum of its proper divisors (1).

135161773 is an equidigital number, since it uses as much as digits as its factorization.

135161773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 34.

The square root of 135161773 is about 11625.9095558154. The cubic root of 135161773 is about 513.1976117928.

The spelling of 135161773 in words is "one hundred thirty-five million, one hundred sixty-one thousand, seven hundred seventy-three".