135256040445 has 32 divisors (see below), whose sum is σ = 218502915840. Its totient is φ = 71439459840.

The previous prime is 135256040443. The next prime is 135256040473. The reversal of 135256040445 is 544040652531.

It is not a de Polignac number, because 135256040445 - 2¹ = 135256040443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135256040443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3474640 + ... + 3513350.

It is an arithmetic number, because the mean of its divisors is an integer number (6828216120).

Almost surely, 2^135256040445 is an apocalyptic number.

135256040445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135256040445 is a deficient number, since it is larger than the sum of its proper divisors (83246875395).

135256040445 is a wasteful number, since it uses less digits than its factorization.

135256040445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40965.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 135256040445 its reverse (544040652531), we get a palindrome (679296692976).

The spelling of 135256040445 in words is "one hundred thirty-five billion, two hundred fifty-six million, forty thousand, four hundred forty-five".