136410376181 has 4 divisors (see below), whose sum is σ = 136421687052. Its totient is φ = 136399065312.

The previous prime is 136410376171. The next prime is 136410376241. The reversal of 136410376181 is 181673014631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 181673014631 = 4723 ⋅38465597.

It can be written as a sum of positive squares in 2 ways, for example, as 40304176081 + 96106200100 = 200759^2 + 310010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136410376181 is a prime.

It is a super-2 number, since 2×136410376181² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136410376171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5637326 + ... + 5661471.

It is an arithmetic number, because the mean of its divisors is an integer number (34105421763).

Almost surely, 2^136410376181 is an apocalyptic number.

It is an amenable number.

136410376181 is a deficient number, since it is larger than the sum of its proper divisors (11310871).

136410376181 is a wasteful number, since it uses less digits than its factorization.

136410376181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11310870.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 136410376181 in words is "one hundred thirty-six billion, four hundred ten million, three hundred seventy-six thousand, one hundred eighty-one".