136108513561 has 8 divisors (see below), whose sum is σ = 136368165024. Its totient is φ = 135848957760.

The previous prime is 136108513529. The next prime is 136108513571. The reversal of 136108513561 is 165315801631.

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 136108513561 - 2⁵ = 136108513529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136108513571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3244641 + ... + 3286321.

It is an arithmetic number, because the mean of its divisors is an integer number (17046020628).

Almost surely, 2^136108513561 is an apocalyptic number.

It is an amenable number.

136108513561 is a deficient number, since it is larger than the sum of its proper divisors (259651463).

136108513561 is an equidigital number, since it uses as much as digits as its factorization.

136108513561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47831.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 136108513561 in words is "one hundred thirty-six billion, one hundred eight million, five hundred thirteen thousand, five hundred sixty-one".