135170646 has 32 divisors (see below), whose sum is σ = 294658560. Its totient is φ = 41087904.

The previous prime is 135170627. The next prime is 135170663. The reversal of 135170646 is 646071531.

It is a super-2 number, since 2×135170646² = 36542207080114632, which contains 22 as substring.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 3966 + ... + 16913.

It is an arithmetic number, because the mean of its divisors is an integer number (9208080).

Almost surely, 2^135170646 is an apocalyptic number.

135170646 is an abundant number, since it is smaller than the sum of its proper divisors (159487914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135170646 is a wasteful number, since it uses less digits than its factorization.

135170646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20980.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 135170646 is about 11626.2911541041. The cubic root of 135170646 is about 513.2088415527.

The spelling of 135170646 in words is "one hundred thirty-five million, one hundred seventy thousand, six hundred forty-six".