135044366641 has 8 divisors (see below), whose sum is σ = 142993394280. Its totient is φ = 127095921408.

The previous prime is 135044366551. The next prime is 135044366647. The reversal of 135044366641 is 146663440531.

It can be written as a sum of positive squares in 4 ways, for example, as 19461366016 + 115583000625 = 139504^2 + 339975^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 135044366641 - 2²⁹ = 134507495729 is a prime.

It is a super-2 number, since 2×135044366641² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135044366647) 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, 387615 + ... + 648331.

It is an arithmetic number, because the mean of its divisors is an integer number (17874174285).

Almost surely, 2^135044366641 is an apocalyptic number.

It is an amenable number.

135044366641 is a deficient number, since it is larger than the sum of its proper divisors (7949027639).

135044366641 is a wasteful number, since it uses less digits than its factorization.

135044366641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291203.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 135044366641 in words is "one hundred thirty-five billion, forty-four million, three hundred sixty-six thousand, six hundred forty-one".