136008377565085 has 16 divisors (see below), whose sum is σ = 163329174037296. Its totient is φ = 108727313049088.

The previous prime is 136008377565077. The next prime is 136008377565113. The reversal of 136008377565085 is 580565773800631.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 16571762730649 + 119436614834436 = 4070843^2 + 10928706^2 .

It is a cyclic number.

It is not a de Polignac number, because 136008377565085 - 2³ = 136008377565077 is a prime.

It is a super-2 number, since 2×136008377565085² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42106977 + ... + 45221833.

It is an arithmetic number, because the mean of its divisors is an integer number (10208073377331).

Almost surely, 2^{136008377565085} is an apocalyptic number.

It is an amenable number.

136008377565085 is a deficient number, since it is larger than the sum of its proper divisors (27320796472211).

136008377565085 is a wasteful number, since it uses less digits than its factorization.

136008377565085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121232.

The product of its (nonzero) digits is 127008000, while the sum is 64.

The spelling of 136008377565085 in words is "one hundred thirty-six trillion, eight billion, three hundred seventy-seven million, five hundred sixty-five thousand, eighty-five".