135468288820138 has 32 divisors (see below), whose sum is σ = 216089164880640. Its totient is φ = 63512065137600.

The previous prime is 135468288820133. The next prime is 135468288820177. The reversal of 135468288820138 is 831028882864531.

It is a super-2 number, since 2×135468288820138² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135468288820133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5145295 + ... + 17245597.

It is an arithmetic number, because the mean of its divisors is an integer number (6752786402520).

Almost surely, 2^{135468288820138} is an apocalyptic number.

135468288820138 is a deficient number, since it is larger than the sum of its proper divisors (80620876060502).

135468288820138 is a wasteful number, since it uses less digits than its factorization.

135468288820138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12103342.

The product of its (nonzero) digits is 141557760, while the sum is 67.

The spelling of 135468288820138 in words is "one hundred thirty-five trillion, four hundred sixty-eight billion, two hundred eighty-eight million, eight hundred twenty thousand, one hundred thirty-eight".