135574567441 has 4 divisors (see below), whose sum is σ = 136972243492. Its totient is φ = 134176891392.

The previous prime is 135574567421. The next prime is 135574567451. The reversal of 135574567441 is 144765475531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24485677441 + 111088890000 = 156479^2 + 333300^2 .

It is a cyclic number.

It is not a de Polignac number, because 135574567441 - 2¹¹ = 135574565393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135574567421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698837880 + ... + 698838073.

It is an arithmetic number, because the mean of its divisors is an integer number (34243060873).

Almost surely, 2^135574567441 is an apocalyptic number.

It is an amenable number.

135574567441 is a deficient number, since it is larger than the sum of its proper divisors (1397676051).

135574567441 is an equidigital number, since it uses as much as digits as its factorization.

135574567441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397676050.

The product of its digits is 7056000, while the sum is 52.

The spelling of 135574567441 in words is "one hundred thirty-five billion, five hundred seventy-four million, five hundred sixty-seven thousand, four hundred forty-one".