135279163 has 2 divisors, whose sum is σ = 135279164. Its totient is φ = 135279162.

The previous prime is 135279139. The next prime is 135279173. The reversal of 135279163 is 361972531.

It is a strong prime.

It is an emirp because it is prime and its reverse (361972531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135279163 is a prime.

It is not a weakly prime, because it can be changed into another prime (135279173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67639581 + 67639582.

It is an arithmetic number, because the mean of its divisors is an integer number (67639582).

Almost surely, 2^135279163 is an apocalyptic number.

135279163 is a deficient number, since it is larger than the sum of its proper divisors (1).

135279163 is an equidigital number, since it uses as much as digits as its factorization.

135279163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 37.

The square root of 135279163 is about 11630.9570973330. The cubic root of 135279163 is about 513.3461420409.

The spelling of 135279163 in words is "one hundred thirty-five million, two hundred seventy-nine thousand, one hundred sixty-three".