136557163 has 4 divisors (see below), whose sum is σ = 136582600. Its totient is φ = 136531728.

The previous prime is 136557103. The next prime is 136557173. The reversal of 136557163 is 361755631.

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-136557163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136557103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170 + ... + 16567.

It is an arithmetic number, because the mean of its divisors is an integer number (34145650).

Almost surely, 2^136557163 is an apocalyptic number.

136557163 is a deficient number, since it is larger than the sum of its proper divisors (25437).

136557163 is an equidigital number, since it uses as much as digits as its factorization.

136557163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25436.

The product of its digits is 56700, while the sum is 37.

The square root of 136557163 is about 11685.7675400463. The cubic root of 136557163 is about 514.9576274561.

The spelling of 136557163 in words is "one hundred thirty-six million, five hundred fifty-seven thousand, one hundred sixty-three".