135166305 has 16 divisors (see below), whose sum is σ = 217053504. Its totient is φ = 71826240.

The previous prime is 135166277. The next prime is 135166309. The reversal of 135166305 is 503661531.

It is not a de Polignac number, because 135166305 - 2⁸ = 135166049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135166309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12111 + ... + 20420.

It is an arithmetic number, because the mean of its divisors is an integer number (13565844).

Almost surely, 2^135166305 is an apocalyptic number.

135166305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135166305 is a deficient number, since it is larger than the sum of its proper divisors (81887199).

135166305 is a wasteful number, since it uses less digits than its factorization.

135166305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32816.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 135166305 is about 11626.1044636628. The cubic root of 135166305 is about 513.2033475999.

The spelling of 135166305 in words is "one hundred thirty-five million, one hundred sixty-six thousand, three hundred five".