136020233766805 has 8 divisors (see below), whose sum is σ = 164319745491000. Its totient is φ = 108085877032896.

The previous prime is 136020233766793. The next prime is 136020233766811. The reversal of 136020233766805 is 508667332020631.

It can be written as a sum of positive squares in 4 ways, for example, as 8899637367076 + 127120596399729 = 2983226^2 + 11274777^2 .

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 136020233766805 - 2³⁹ = 135470477952917 is a prime.

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, 91288746750 + ... + 91288748239.

It is an arithmetic number, because the mean of its divisors is an integer number (20539968186375).

Almost surely, 2^{136020233766805} is an apocalyptic number.

It is an amenable number.

136020233766805 is a deficient number, since it is larger than the sum of its proper divisors (28299511724195).

136020233766805 is a wasteful number, since it uses less digits than its factorization.

136020233766805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182577495143.

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 136020233766805 in words is "one hundred thirty-six trillion, twenty billion, two hundred thirty-three million, seven hundred sixty-six thousand, eight hundred five".