135644156222 has 4 divisors (see below), whose sum is σ = 203466234336. Its totient is φ = 67822078110.

The previous prime is 135644156209. The next prime is 135644156243. The reversal of 135644156222 is 222651446531.

135644156222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 135644156222.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 33911039054 + ... + 33911039057.

It is an arithmetic number, because the mean of its divisors is an integer number (50866558584).

Almost surely, 2^135644156222 is an apocalyptic number.

135644156222 is a deficient number, since it is larger than the sum of its proper divisors (67822078114).

135644156222 is an equidigital number, since it uses as much as digits as its factorization.

135644156222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67822078113.

The product of its digits is 345600, while the sum is 41.

The spelling of 135644156222 in words is "one hundred thirty-five billion, six hundred forty-four million, one hundred fifty-six thousand, two hundred twenty-two".