135444505413 has 32 divisors (see below), whose sum is σ = 209315635200. Its totient is φ = 76304264256.

The previous prime is 135444505403. The next prime is 135444505421. The reversal of 135444505413 is 314505444531.

It is not a de Polignac number, because 135444505413 - 2¹² = 135444501317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135444505403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 753783 + ... + 916011.

It is an arithmetic number, because the mean of its divisors is an integer number (6541113600).

Almost surely, 2^135444505413 is an apocalyptic number.

It is an amenable number.

135444505413 is a deficient number, since it is larger than the sum of its proper divisors (73871129787).

135444505413 is a wasteful number, since it uses less digits than its factorization.

135444505413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162801.

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

Adding to 135444505413 its reverse (314505444531), we get a palindrome (449949949944).

The spelling of 135444505413 in words is "one hundred thirty-five billion, four hundred forty-four million, five hundred five thousand, four hundred thirteen".