136321603 has 8 divisors (see below), whose sum is σ = 148879296. Its totient is φ = 123791400.

The previous prime is 136321583. The next prime is 136321631. The reversal of 136321603 is 306123631.

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

It is a cyclic number.

It is not a de Polignac number, because 136321603 - 2⁵ = 136321571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136321643) 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, 4300 + ... + 17062.

It is an arithmetic number, because the mean of its divisors is an integer number (18609912).

Almost surely, 2^136321603 is an apocalyptic number.

136321603 is a deficient number, since it is larger than the sum of its proper divisors (12557693).

136321603 is a wasteful number, since it uses less digits than its factorization.

136321603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13745.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 136321603 is about 11675.6842626032. The cubic root of 136321603 is about 514.6613577912.

The spelling of 136321603 in words is "one hundred thirty-six million, three hundred twenty-one thousand, six hundred three".