135444312041146 has 32 divisors (see below), whose sum is σ = 209818023100416. Its totient is φ = 65507015574000.

The previous prime is 135444312041117. The next prime is 135444312041147. The reversal of 135444312041146 is 641140213444531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (135444312041147) 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, 1238791701 + ... + 1238901031.

It is an arithmetic number, because the mean of its divisors is an integer number (6556813221888).

Almost surely, 2^{135444312041146} is an apocalyptic number.

135444312041146 is a deficient number, since it is larger than the sum of its proper divisors (74373711059270).

135444312041146 is a wasteful number, since it uses less digits than its factorization.

135444312041146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118498.

The product of its (nonzero) digits is 552960, while the sum is 43.

Adding to 135444312041146 its reverse (641140213444531), we get a palindrome (776584525485677).

The spelling of 135444312041146 in words is "one hundred thirty-five trillion, four hundred forty-four billion, three hundred twelve million, forty-one thousand, one hundred forty-six".