135406666606 has 8 divisors (see below), whose sum is σ = 208599459480. Its totient is φ = 65873513448.

The previous prime is 135406666589. The next prime is 135406666607. The reversal of 135406666606 is 606666604531.

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

It is a super-2 number, since 2×135406666606² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135406666606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135406666607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914909836 + ... + 914909983.

It is an arithmetic number, because the mean of its divisors is an integer number (26074932435).

Almost surely, 2^135406666606 is an apocalyptic number.

135406666606 is a deficient number, since it is larger than the sum of its proper divisors (73192792874).

135406666606 is a wasteful number, since it uses less digits than its factorization.

135406666606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829819858.

The product of its (nonzero) digits is 2799360, while the sum is 49.

The spelling of 135406666606 in words is "one hundred thirty-five billion, four hundred six million, six hundred sixty-six thousand, six hundred six".