136321063 has 4 divisors (see below), whose sum is σ = 136645288. Its totient is φ = 135996840.

The previous prime is 136321039. The next prime is 136321091. The reversal of 136321063 is 360123631.

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

It is a cyclic number.

It is not a de Polignac number, because 136321063 - 2⁹ = 136320551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136322063) 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, 161481 + ... + 162322.

It is an arithmetic number, because the mean of its divisors is an integer number (34161322).

Almost surely, 2^136321063 is an apocalyptic number.

136321063 is a deficient number, since it is larger than the sum of its proper divisors (324225).

136321063 is an equidigital number, since it uses as much as digits as its factorization.

136321063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324224.

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

The square root of 136321063 is about 11675.6611375973. The cubic root of 136321063 is about 514.6606782278.

Adding to 136321063 its reverse (360123631), we get a palindrome (496444694).

The spelling of 136321063 in words is "one hundred thirty-six million, three hundred twenty-one thousand, sixty-three".