135326687163 has 4 divisors (see below), whose sum is σ = 180435582888. Its totient is φ = 90217791440.

The previous prime is 135326687159. The next prime is 135326687173. The reversal of 135326687163 is 361786623531.

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

It is a cyclic number.

It is not a de Polignac number, because 135326687163 - 2² = 135326687159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135326687143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22554447858 + ... + 22554447863.

It is an arithmetic number, because the mean of its divisors is an integer number (45108895722).

Almost surely, 2^135326687163 is an apocalyptic number.

135326687163 is a deficient number, since it is larger than the sum of its proper divisors (45108895725).

135326687163 is an equidigital number, since it uses as much as digits as its factorization.

135326687163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45108895724.

The product of its digits is 3265920, while the sum is 51.

The spelling of 135326687163 in words is "one hundred thirty-five billion, three hundred twenty-six million, six hundred eighty-seven thousand, one hundred sixty-three".