136542065 has 8 divisors (see below), whose sum is σ = 178746048. Its totient is φ = 99303280.

The previous prime is 136542061. The next prime is 136542067. The reversal of 136542065 is 560245631.

136542065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 136542065 - 2² = 136542061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136542061) 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, 1241237 + ... + 1241346.

It is an arithmetic number, because the mean of its divisors is an integer number (22343256).

Almost surely, 2^136542065 is an apocalyptic number.

It is an amenable number.

136542065 is a deficient number, since it is larger than the sum of its proper divisors (42203983).

136542065 is a wasteful number, since it uses less digits than its factorization.

136542065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482599.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 136542065 is about 11685.1215226886. The cubic root of 136542065 is about 514.9386485498.

Adding to 136542065 its reverse (560245631), we get a palindrome (696787696).

The spelling of 136542065 in words is "one hundred thirty-six million, five hundred forty-two thousand, sixty-five".