136309803 has 8 divisors (see below), whose sum is σ = 207710208. Its totient is φ = 77891304.

The previous prime is 136309793. The next prime is 136309829. The reversal of 136309803 is 308903631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136309803 - 2¹² = 136305707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136309003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3245451 + ... + 3245492.

It is an arithmetic number, because the mean of its divisors is an integer number (25963776).

Almost surely, 2^136309803 is an apocalyptic number.

136309803 is a deficient number, since it is larger than the sum of its proper divisors (71400405).

136309803 is an equidigital number, since it uses as much as digits as its factorization.

136309803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490953.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 136309803 is about 11675.1789279651. The cubic root of 136309803 is about 514.6465076644.

The spelling of 136309803 in words is "one hundred thirty-six million, three hundred nine thousand, eight hundred three".