135421343330103 has 48 divisors (see below), whose sum is σ = 223908103617120. Its totient is φ = 78322510614528.

The previous prime is 135421343330087. The next prime is 135421343330107. The reversal of 135421343330103 is 301033343124531.

135421343330103 is a `hidden beast` number, since 1 + 3 + 5 + 4 + 2 + 1 + 343 + 3 + 301 + 0 + 3 = 666.

It is not a de Polignac number, because 135421343330103 - 2⁴ = 135421343330087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135421343330107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 629413650 + ... + 629628767.

It is an arithmetic number, because the mean of its divisors is an integer number (4664752158690).

Almost surely, 2^{135421343330103} is an apocalyptic number.

135421343330103 is a deficient number, since it is larger than the sum of its proper divisors (88486760287017).

135421343330103 is a wasteful number, since it uses less digits than its factorization.

135421343330103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259042496 (or 1259042493 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

Adding to 135421343330103 its reverse (301033343124531), we get a palindrome (436454686454634).

The spelling of 135421343330103 in words is "one hundred thirty-five trillion, four hundred twenty-one billion, three hundred forty-three million, three hundred thirty thousand, one hundred three".