136040434746185 has 8 divisors (see below), whose sum is σ = 163342288806216. Its totient is φ = 108769836389760.

The previous prime is 136040434746061. The next prime is 136040434746289. The reversal of 136040434746185 is 581647434040631.

It can be written as a sum of positive squares in 4 ways, for example, as 5600554169401 + 130439880576784 = 2366549^2 + 11421028^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136040434746185 - 2¹² = 136040434742089 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 136040434746185.

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, 7813916324 + ... + 7813933733.

It is an arithmetic number, because the mean of its divisors is an integer number (20417786100777).

Almost surely, 2^{136040434746185} is an apocalyptic number.

It is an amenable number.

136040434746185 is a deficient number, since it is larger than the sum of its proper divisors (27301854060031).

136040434746185 is a wasteful number, since it uses less digits than its factorization.

136040434746185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15627851803.

The product of its (nonzero) digits is 23224320, while the sum is 56.

The spelling of 136040434746185 in words is "one hundred thirty-six trillion, forty billion, four hundred thirty-four million, seven hundred forty-six thousand, one hundred eighty-five".