135421545421335 has 32 divisors (see below), whose sum is σ = 216806701205952. Its totient is φ = 72180752486400.

The previous prime is 135421545421319. The next prime is 135421545421363. The reversal of 135421545421335 is 533124545124531.

It is not a de Polignac number, because 135421545421335 - 2⁴ = 135421545421319 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 528744627 + ... + 529000683.

It is an arithmetic number, because the mean of its divisors is an integer number (6775209412686).

Almost surely, 2^{135421545421335} is an apocalyptic number.

135421545421335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135421545421335 is a deficient number, since it is larger than the sum of its proper divisors (81385155784617).

135421545421335 is a wasteful number, since it uses less digits than its factorization.

135421545421335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277443.

The product of its digits is 4320000, while the sum is 48.

The spelling of 135421545421335 in words is "one hundred thirty-five trillion, four hundred twenty-one billion, five hundred forty-five million, four hundred twenty-one thousand, three hundred thirty-five".