135604345 has 8 divisors (see below), whose sum is σ = 162851976. Its totient is φ = 108398976.

The previous prime is 135604331. The next prime is 135604363. The reversal of 135604345 is 543406531.

It can be written as a sum of positive squares in 4 ways, for example, as 36820624 + 98783721 = 6068^2 + 9939^2 .

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 135604345 - 2¹⁵ = 135571577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3012 + ... + 16741.

It is an arithmetic number, because the mean of its divisors is an integer number (20356497).

Almost surely, 2^135604345 is an apocalyptic number.

It is an amenable number.

135604345 is a deficient number, since it is larger than the sum of its proper divisors (27247631).

135604345 is a wasteful number, since it uses less digits than its factorization.

135604345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21131.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 135604345 is about 11644.9278658135. The cubic root of 135604345 is about 513.7571374582.

The spelling of 135604345 in words is "one hundred thirty-five million, six hundred four thousand, three hundred forty-five".