136555613 has 8 divisors (see below), whose sum is σ = 139802976. Its totient is φ = 133333200.

The previous prime is 136555609. The next prime is 136555619. The reversal of 136555613 is 316555631.

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 not a de Polignac number, because 136555613 - 2² = 136555609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136555619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5078 + ... + 17288.

It is an arithmetic number, because the mean of its divisors is an integer number (17475372).

Almost surely, 2^136555613 is an apocalyptic number.

It is an amenable number.

136555613 is a deficient number, since it is larger than the sum of its proper divisors (3247363).

136555613 is a wasteful number, since it uses less digits than its factorization.

136555613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12475.

The product of its digits is 40500, while the sum is 35.

The square root of 136555613 is about 11685.7012198670. The cubic root of 136555613 is about 514.9556790966.

The spelling of 136555613 in words is "one hundred thirty-six million, five hundred fifty-five thousand, six hundred thirteen".