135189066 has 64 divisors (see below), whose sum is σ = 305510400. Its totient is φ = 39626496.

The previous prime is 135189059. The next prime is 135189071. The reversal of 135189066 is 660981531.

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 31 ways as a sum of consecutive naturals, for example, 152661 + ... + 153543.

It is an arithmetic number, because the mean of its divisors is an integer number (4773600).

Almost surely, 2^135189066 is an apocalyptic number.

135189066 is an abundant number, since it is smaller than the sum of its proper divisors (170321334).

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

135189066 is a wasteful number, since it uses less digits than its factorization.

135189066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 135189066 is about 11627.0832971988. The cubic root of 135189066 is about 513.2321525248.

The spelling of 135189066 in words is "one hundred thirty-five million, one hundred eighty-nine thousand, sixty-six".