135204355254405 has 32 divisors (see below), whose sum is σ = 218791634116608. Its totient is φ = 71291960712000.

The previous prime is 135204355254379. The next prime is 135204355254427. The reversal of 135204355254405 is 504452553402531.

It is not a de Polignac number, because 135204355254405 - 2¹⁹ = 135204354730117 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, 140974389 + ... + 141930218.

It is an arithmetic number, because the mean of its divisors is an integer number (6837238566144).

Almost surely, 2^{135204355254405} is an apocalyptic number.

135204355254405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135204355254405 is a deficient number, since it is larger than the sum of its proper divisors (83587278862203).

135204355254405 is a wasteful number, since it uses less digits than its factorization.

135204355254405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282904977.

The product of its (nonzero) digits is 7200000, while the sum is 48.

The spelling of 135204355254405 in words is "one hundred thirty-five trillion, two hundred four billion, three hundred fifty-five million, two hundred fifty-four thousand, four hundred five".