135550440001323 has 12 divisors (see below), whose sum is σ = 195795768325248. Its totient is φ = 90366642313200.

The previous prime is 135550440001261. The next prime is 135550440001337. The reversal of 135550440001323 is 323100044055531.

135550440001323 is a `hidden beast` number, since 1 + 35 + 5 + 50 + 440 + 0 + 0 + 132 + 3 = 666.

It is not a de Polignac number, because 135550440001323 - 2¹⁸ = 135550439739179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135550440001363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23757003 + ... + 28904948.

It is an arithmetic number, because the mean of its divisors is an integer number (16316314027104).

Almost surely, 2^{135550440001323} is an apocalyptic number.

135550440001323 is a deficient number, since it is larger than the sum of its proper divisors (60245328323925).

135550440001323 is a wasteful number, since it uses less digits than its factorization.

135550440001323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52947954 (or 52947951 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 135550440001323 its reverse (323100044055531), we get a palindrome (458650484056854).

The spelling of 135550440001323 in words is "one hundred thirty-five trillion, five hundred fifty billion, four hundred forty million, one thousand, three hundred twenty-three".