135166617 has 8 divisors (see below), whose sum is σ = 200246880. Its totient is φ = 90111060.

The previous prime is 135166613. The next prime is 135166639. The reversal of 135166617 is 716661531.

It is not a de Polignac number, because 135166617 - 2² = 135166613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135166613) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2503059 + ... + 2503112.

It is an arithmetic number, because the mean of its divisors is an integer number (25030860).

Almost surely, 2^135166617 is an apocalyptic number.

It is an amenable number.

135166617 is a deficient number, since it is larger than the sum of its proper divisors (65080263).

135166617 is an equidigital number, since it uses as much as digits as its factorization.

135166617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006180 (or 5006174 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 135166617 is about 11626.1178817351. The cubic root of 135166617 is about 513.2037424698.

The spelling of 135166617 in words is "one hundred thirty-five million, one hundred sixty-six thousand, six hundred seventeen".