135648166 has 4 divisors (see below), whose sum is σ = 203472252. Its totient is φ = 67824082.

The previous prime is 135648143. The next prime is 135648197. The reversal of 135648166 is 661846531.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 33912040 + ... + 33912043.

It is an arithmetic number, because the mean of its divisors is an integer number (50868063).

Almost surely, 2^135648166 is an apocalyptic number.

135648166 is a deficient number, since it is larger than the sum of its proper divisors (67824086).

135648166 is an equidigital number, since it uses as much as digits as its factorization.

135648166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67824085.

The product of its digits is 103680, while the sum is 40.

The square root of 135648166 is about 11646.8092626264. The cubic root of 135648166 is about 513.8124722802.

The spelling of 135648166 in words is "one hundred thirty-five million, six hundred forty-eight thousand, one hundred sixty-six".