135723163 has 2 divisors, whose sum is σ = 135723164. Its totient is φ = 135723162.

The previous prime is 135723157. The next prime is 135723191. The reversal of 135723163 is 361327531.

135723163 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 is a cyclic number.

It is not a de Polignac number, because 135723163 - 2¹⁷ = 135592091 is a prime.

It is not a weakly prime, because it can be changed into another prime (135723113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67861581 + 67861582.

It is an arithmetic number, because the mean of its divisors is an integer number (67861582).

Almost surely, 2^135723163 is an apocalyptic number.

135723163 is a deficient number, since it is larger than the sum of its proper divisors (1).

135723163 is an equidigital number, since it uses as much as digits as its factorization.

135723163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 31.

The square root of 135723163 is about 11650.0284549009. The cubic root of 135723163 is about 513.9071468482.

The spelling of 135723163 in words is "one hundred thirty-five million, seven hundred twenty-three thousand, one hundred sixty-three".