135605264565 has 16 divisors (see below), whose sum is σ = 221584773888. Its totient is φ = 70784024256.

The previous prime is 135605264527. The next prime is 135605264567. The reversal of 135605264565 is 565462506531.

It is not a de Polignac number, because 135605264565 - 2⁸ = 135605264309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135605264567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96173242 + ... + 96174651.

It is an arithmetic number, because the mean of its divisors is an integer number (13849048368).

Almost surely, 2^135605264565 is an apocalyptic number.

135605264565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135605264565 is a deficient number, since it is larger than the sum of its proper divisors (85979509323).

135605264565 is a wasteful number, since it uses less digits than its factorization.

135605264565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192347948.

The product of its (nonzero) digits is 3240000, while the sum is 48.

The spelling of 135605264565 in words is "one hundred thirty-five billion, six hundred five million, two hundred sixty-four thousand, five hundred sixty-five".