136134609221855 has 8 divisors (see below), whose sum is σ = 164647842335232. Its totient is φ = 108050146531488.

The previous prime is 136134609221839. The next prime is 136134609221873. The reversal of 136134609221855 is 558122906431631.

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 136134609221855 - 2⁴ = 136134609221839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136134609221855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107192605052 + ... + 107192606321.

It is an arithmetic number, because the mean of its divisors is an integer number (20580980291904).

Almost surely, 2^{136134609221855} is an apocalyptic number.

136134609221855 is a deficient number, since it is larger than the sum of its proper divisors (28513233113377).

136134609221855 is a wasteful number, since it uses less digits than its factorization.

136134609221855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214385211505.

The product of its (nonzero) digits is 9331200, while the sum is 56.

The spelling of 136134609221855 in words is "one hundred thirty-six trillion, one hundred thirty-four billion, six hundred nine million, two hundred twenty-one thousand, eight hundred fifty-five".