135054203135 has 4 divisors (see below), whose sum is σ = 162065043768. Its totient is φ = 108043362504.

The previous prime is 135054203129. The next prime is 135054203143. The reversal of 135054203135 is 531302450531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531302450531 = 353653 ⋅1502327.

It is a cyclic number.

It is not a de Polignac number, because 135054203135 - 2⁶ = 135054203071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13505420309 + ... + 13505420318.

It is an arithmetic number, because the mean of its divisors is an integer number (40516260942).

Almost surely, 2^135054203135 is an apocalyptic number.

135054203135 is a deficient number, since it is larger than the sum of its proper divisors (27010840633).

135054203135 is an equidigital number, since it uses as much as digits as its factorization.

135054203135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27010840632.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 135054203135 its reverse (531302450531), we get a palindrome (666356653666).

The spelling of 135054203135 in words is "one hundred thirty-five billion, fifty-four million, two hundred three thousand, one hundred thirty-five".