135404866 has 8 divisors (see below), whose sum is σ = 204171264. Its totient is φ = 67347780.

The previous prime is 135404831. The next prime is 135404897. The reversal of 135404866 is 668404531.

It is a happy number.

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

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, 176850 + ... + 177613.

It is an arithmetic number, because the mean of its divisors is an integer number (25521408).

Almost surely, 2^135404866 is an apocalyptic number.

135404866 is a deficient number, since it is larger than the sum of its proper divisors (68766398).

135404866 is a wasteful number, since it uses less digits than its factorization.

135404866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354656.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 135404866 is about 11636.3596541186. The cubic root of 135404866 is about 513.5050952551.

The spelling of 135404866 in words is "one hundred thirty-five million, four hundred four thousand, eight hundred sixty-six".