136903641354185 has 24 divisors (see below), whose sum is σ = 173513395894536. Its totient is φ = 103682310382080.

The previous prime is 136903641354157. The next prime is 136903641354191. The reversal of 136903641354185 is 581453146309631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24385582206976 + 112518059147209 = 4938176^2 + 10607453^2 .

It is not a de Polignac number, because 136903641354185 - 2⁶ = 136903641354121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25407794 + ... + 30321003.

It is an arithmetic number, because the mean of its divisors is an integer number (7229724828939).

Almost surely, 2^{136903641354185} is an apocalyptic number.

It is an amenable number.

136903641354185 is a deficient number, since it is larger than the sum of its proper divisors (36609754540351).

136903641354185 is a wasteful number, since it uses less digits than its factorization.

136903641354185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55730201 (or 55730182 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 59.

The spelling of 136903641354185 in words is "one hundred thirty-six trillion, nine hundred three billion, six hundred forty-one million, three hundred fifty-four thousand, one hundred eighty-five".