136645380355 has 32 divisors (see below), whose sum is σ = 183291268608. Its totient is φ = 96929683200.

The previous prime is 136645380353. The next prime is 136645380439. The reversal of 136645380355 is 553083546631.

It is not a de Polignac number, because 136645380355 - 2¹ = 136645380353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136645380299 and 136645380308.

It is not an unprimeable number, because it can be changed into a prime (136645380353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17330244 + ... + 17338126.

It is an arithmetic number, because the mean of its divisors is an integer number (5727852144).

Almost surely, 2^136645380355 is an apocalyptic number.

136645380355 is a deficient number, since it is larger than the sum of its proper divisors (46645888253).

136645380355 is a wasteful number, since it uses less digits than its factorization.

136645380355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15627.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 136645380355 in words is "one hundred thirty-six billion, six hundred forty-five million, three hundred eighty thousand, three hundred fifty-five".