136305262803 has 4 divisors (see below), whose sum is σ = 181740350408. Its totient is φ = 90870175200.

The previous prime is 136305262801. The next prime is 136305262811. The reversal of 136305262803 is 308262503631.

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

It is not a de Polignac number, because 136305262803 - 2¹ = 136305262801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136305262801) 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, 22717543798 + ... + 22717543803.

It is an arithmetic number, because the mean of its divisors is an integer number (45435087602).

Almost surely, 2^136305262803 is an apocalyptic number.

136305262803 is a deficient number, since it is larger than the sum of its proper divisors (45435087605).

136305262803 is an equidigital number, since it uses as much as digits as its factorization.

136305262803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45435087604.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 136305262803 in words is "one hundred thirty-six billion, three hundred five million, two hundred sixty-two thousand, eight hundred three".