135630169 has 2 divisors, whose sum is σ = 135630170. Its totient is φ = 135630168.

The previous prime is 135630139. The next prime is 135630179. The reversal of 135630169 is 961036531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133633600 + 1996569 = 11560^2 + 1413^2 .

It is a cyclic number.

It is not a de Polignac number, because 135630169 - 2¹³ = 135621977 is a prime.

It is a super-2 number, since 2×135630169² = 36791085485937122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135630119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67815084 + 67815085.

It is an arithmetic number, because the mean of its divisors is an integer number (67815085).

Almost surely, 2^135630169 is an apocalyptic number.

It is an amenable number.

135630169 is a deficient number, since it is larger than the sum of its proper divisors (1).

135630169 is an equidigital number, since it uses as much as digits as its factorization.

135630169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 135630169 is about 11646.0366219586. The cubic root of 135630169 is about 513.7897480707.

The spelling of 135630169 in words is "one hundred thirty-five million, six hundred thirty thousand, one hundred sixty-nine".