135120442445 has 16 divisors (see below), whose sum is σ = 164382780672. Its totient is φ = 106604496000.

The previous prime is 135120442439. The next prime is 135120442459. The reversal of 135120442445 is 544244021531.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-135120442445 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6831320 + ... + 6851070.

It is an arithmetic number, because the mean of its divisors is an integer number (10273923792).

Almost surely, 2^135120442445 is an apocalyptic number.

It is an amenable number.

135120442445 is a deficient number, since it is larger than the sum of its proper divisors (29262338227).

135120442445 is a wasteful number, since it uses less digits than its factorization.

135120442445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38572.

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

Adding to 135120442445 its reverse (544244021531), we get a palindrome (679364463976).

The spelling of 135120442445 in words is "one hundred thirty-five billion, one hundred twenty million, four hundred forty-two thousand, four hundred forty-five".