135452217868 has 24 divisors (see below), whose sum is σ = 261150909264. Its totient is φ = 60959592000.

The previous prime is 135452217863. The next prime is 135452217869. The reversal of 135452217868 is 868712254531.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (135452217863) 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, 15235455 + ... + 15244342.

It is an arithmetic number, because the mean of its divisors is an integer number (10881287886).

Almost surely, 2^135452217868 is an apocalyptic number.

It is an amenable number.

135452217868 is a deficient number, since it is larger than the sum of its proper divisors (125698691396).

135452217868 is a wasteful number, since it uses less digits than its factorization.

135452217868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30479913 (or 30479911 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 52.

The spelling of 135452217868 in words is "one hundred thirty-five billion, four hundred fifty-two million, two hundred seventeen thousand, eight hundred sixty-eight".