135404963845 has 8 divisors (see below), whose sum is σ = 162645106680. Its totient is φ = 108217871040.

The previous prime is 135404963791. The next prime is 135404963849. The reversal of 135404963845 is 548369404531.

It can be written as a sum of positive squares in 4 ways, for example, as 3927654241 + 131477309604 = 62671^2 + 362598^2 .

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

It is not a de Polignac number, because 135404963845 - 2²¹ = 135402866693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135404963792 and 135404963801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135404963849) 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 7 ways as a sum of consecutive naturals, for example, 13256890 + ... + 13267099.

It is an arithmetic number, because the mean of its divisors is an integer number (20330638335).

Almost surely, 2^135404963845 is an apocalyptic number.

It is an amenable number.

135404963845 is a deficient number, since it is larger than the sum of its proper divisors (27240142835).

135404963845 is a wasteful number, since it uses less digits than its factorization.

135404963845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26525015.

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 135404963845 in words is "one hundred thirty-five billion, four hundred four million, nine hundred sixty-three thousand, eight hundred forty-five".