135444214052 has 24 divisors (see below), whose sum is σ = 271481207424. Its totient is φ = 57920496192.

The previous prime is 135444214051. The next prime is 135444214057. The reversal of 135444214052 is 250412444531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (135444214051) 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, 5279648 + ... + 5305239.

It is an arithmetic number, because the mean of its divisors is an integer number (11311716976).

Almost surely, 2^135444214052 is an apocalyptic number.

It is an amenable number.

135444214052 is an abundant number, since it is smaller than the sum of its proper divisors (136036993372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135444214052 is a wasteful number, since it uses less digits than its factorization.

135444214052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10585355 (or 10585353 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 135444214052 its reverse (250412444531), we get a palindrome (385856658583).

The spelling of 135444214052 in words is "one hundred thirty-five billion, four hundred forty-four million, two hundred fourteen thousand, fifty-two".