135421103535 has 8 divisors (see below), whose sum is σ = 216673765680. Its totient is φ = 72224588544.

The previous prime is 135421103513. The next prime is 135421103561. The reversal of 135421103535 is 535301124531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135421103535 - 2⁷ = 135421103407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135421103496 and 135421103505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4514036770 + ... + 4514036799.

It is an arithmetic number, because the mean of its divisors is an integer number (27084220710).

Almost surely, 2^135421103535 is an apocalyptic number.

135421103535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135421103535 is a deficient number, since it is larger than the sum of its proper divisors (81252662145).

135421103535 is an equidigital number, since it uses as much as digits as its factorization.

135421103535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9028073577.

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 135421103535 in words is "one hundred thirty-five billion, four hundred twenty-one million, one hundred three thousand, five hundred thirty-five".