136321601 has 8 divisors (see below), whose sum is σ = 151544064. Its totient is φ = 121775760.

The previous prime is 136321583. The next prime is 136321631. The reversal of 136321601 is 106123631.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136321601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136321631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168731 + ... + 169536.

It is an arithmetic number, because the mean of its divisors is an integer number (18943008).

Almost surely, 2^136321601 is an apocalyptic number.

It is an amenable number.

136321601 is a deficient number, since it is larger than the sum of its proper divisors (15222463).

136321601 is a wasteful number, since it uses less digits than its factorization.

136321601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338311.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 136321601 is about 11675.6841769551. The cubic root of 136321601 is about 514.6613552743.

The spelling of 136321601 in words is "one hundred thirty-six million, three hundred twenty-one thousand, six hundred one".