136003163 has 4 divisors (see below), whose sum is σ = 141916368. Its totient is φ = 130089960.

The previous prime is 136003151. The next prime is 136003171. The reversal of 136003163 is 361300631.

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-136003163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 5913181 = 136003163 / (1 + 3 + 6 + 0 + 0 + 3 + 1 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136003123) 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, 2956568 + ... + 2956613.

It is an arithmetic number, because the mean of its divisors is an integer number (35479092).

Almost surely, 2^136003163 is an apocalyptic number.

136003163 is a deficient number, since it is larger than the sum of its proper divisors (5913205).

136003163 is an equidigital number, since it uses as much as digits as its factorization.

136003163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913204.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 136003163 is about 11662.0394014083. The cubic root of 136003163 is about 514.2603048476.

Adding to 136003163 its reverse (361300631), we get a palindrome (497303794).

The spelling of 136003163 in words is "one hundred thirty-six million, three thousand, one hundred sixty-three".