135565222416 has 160 divisors (see below), whose sum is σ = 399898154880. Its totient is φ = 39203315712.

The previous prime is 135565222381. The next prime is 135565222417. The reversal of 135565222416 is 614222565531.

It is not an unprimeable number, because it can be changed into a prime (135565222417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7830666 + ... + 7847958.

It is an arithmetic number, because the mean of its divisors is an integer number (2499363468).

Almost surely, 2^135565222416 is an apocalyptic number.

135565222416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135565222416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199949077440).

135565222416 is an abundant number, since it is smaller than the sum of its proper divisors (264332932464).

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

135565222416 is a wasteful number, since it uses less digits than its factorization.

135565222416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18073 (or 18067 counting only the distinct ones).

The product of its digits is 432000, while the sum is 42.

Adding to 135565222416 its reverse (614222565531), we get a palindrome (749787787947).

The spelling of 135565222416 in words is "one hundred thirty-five billion, five hundred sixty-five million, two hundred twenty-two thousand, four hundred sixteen".