135044566 has 8 divisors (see below), whose sum is σ = 214482600. Its totient is φ = 63550368.

The previous prime is 135044557. The next prime is 135044603. The reversal of 135044566 is 665440531.

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

It is a super-2 number, since 2×135044566² = 36474069612256712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 3971899 = 135044566 / (1 + 3 + 5 + 0 + 4 + 4 + 5 + 6 + 6).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1985916 + ... + 1985983.

It is an arithmetic number, because the mean of its divisors is an integer number (26810325).

Almost surely, 2^135044566 is an apocalyptic number.

135044566 is a deficient number, since it is larger than the sum of its proper divisors (79438034).

135044566 is a wasteful number, since it uses less digits than its factorization.

135044566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971918.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 135044566 is about 11620.8676956585. The cubic root of 135044566 is about 513.0492272651.

The spelling of 135044566 in words is "one hundred thirty-five million, forty-four thousand, five hundred sixty-six".