135165601 has 8 divisors (see below), whose sum is σ = 142452800. Its totient is φ = 127895760.

The previous prime is 135165593. The next prime is 135165617. The reversal of 135165601 is 106561531.

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 135165601 - 2³ = 135165593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135165601.

It is not an unprimeable number, because it can be changed into a prime (135165671) 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, 13591 + ... + 21331.

It is an arithmetic number, because the mean of its divisors is an integer number (17806600).

Almost surely, 2^135165601 is an apocalyptic number.

It is an amenable number.

135165601 is a deficient number, since it is larger than the sum of its proper divisors (7287199).

135165601 is an equidigital number, since it uses as much as digits as its factorization.

135165601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8679.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 135165601 is about 11626.0741869300. The cubic root of 135165601 is about 513.2024566092.

The spelling of 135165601 in words is "one hundred thirty-five million, one hundred sixty-five thousand, six hundred one".