135755666 has 8 divisors (see below), whose sum is σ = 204353904. Its totient is φ = 67637700.

The previous prime is 135755617. The next prime is 135755677. The reversal of 135755666 is 666557531.

135755666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×135755666² = 36859201702207112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119360 + ... + 120491.

It is an arithmetic number, because the mean of its divisors is an integer number (25544238).

Almost surely, 2^135755666 is an apocalyptic number.

135755666 is a deficient number, since it is larger than the sum of its proper divisors (68598238).

135755666 is a wasteful number, since it uses less digits than its factorization.

135755666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240136.

The product of its digits is 567000, while the sum is 44.

The square root of 135755666 is about 11651.4233465272. The cubic root of 135755666 is about 513.9481670897.

The spelling of 135755666 in words is "one hundred thirty-five million, seven hundred fifty-five thousand, six hundred sixty-six".