135565005 has 8 divisors (see below), whose sum is σ = 216904032. Its totient is φ = 72301328.

The previous prime is 135564917. The next prime is 135565009. The reversal of 135565005 is 500565531.

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

It is a cyclic number.

It is not a de Polignac number, because 135565005 - 2⁹ = 135564493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135565009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4518819 + ... + 4518848.

It is an arithmetic number, because the mean of its divisors is an integer number (27113004).

Almost surely, 2^135565005 is an apocalyptic number.

135565005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135565005 is a deficient number, since it is larger than the sum of its proper divisors (81339027).

135565005 is an equidigital number, since it uses as much as digits as its factorization.

135565005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9037675.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 135565005 is about 11643.2385958547. The cubic root of 135565005 is about 513.7074508483.

The spelling of 135565005 in words is "one hundred thirty-five million, five hundred sixty-five thousand, five".