135963163 has 4 divisors (see below), whose sum is σ = 155386480. Its totient is φ = 116539848.

The previous prime is 135963109. The next prime is 135963169. The reversal of 135963163 is 361369531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135963163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135963169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9711648 + ... + 9711661.

It is an arithmetic number, because the mean of its divisors is an integer number (38846620).

Almost surely, 2^135963163 is an apocalyptic number.

135963163 is a deficient number, since it is larger than the sum of its proper divisors (19423317).

135963163 is an equidigital number, since it uses as much as digits as its factorization.

135963163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19423316.

The product of its digits is 43740, while the sum is 37.

The square root of 135963163 is about 11660.3243093835. The cubic root of 135963163 is about 514.2098833998.

The spelling of 135963163 in words is "one hundred thirty-five million, nine hundred sixty-three thousand, one hundred sixty-three".