135202135605 has 32 divisors (see below), whose sum is σ = 217124444160. Its totient is φ = 71841026880.

The previous prime is 135202135561. The next prime is 135202135657. The reversal of 135202135605 is 506531202531.

It is a happy number.

It is not a de Polignac number, because 135202135605 - 2¹⁰ = 135202134581 is a prime.

It is a Curzon number.

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, 11670706 + ... + 11682284.

It is an arithmetic number, because the mean of its divisors is an integer number (6785138880).

Almost surely, 2^135202135605 is an apocalyptic number.

135202135605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135202135605 is a deficient number, since it is larger than the sum of its proper divisors (81922308555).

135202135605 is a wasteful number, since it uses less digits than its factorization.

135202135605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14401.

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

The spelling of 135202135605 in words is "one hundred thirty-five billion, two hundred two million, one hundred thirty-five thousand, six hundred five".