134666403 has 8 divisors (see below), whose sum is σ = 187362048. Its totient is φ = 85874184.

The previous prime is 134666383. The next prime is 134666407. The reversal of 134666403 is 304666431.

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

It is not a de Polignac number, because 134666403 - 2¹³ = 134658211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134666407) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 975775 + ... + 975912.

It is an arithmetic number, because the mean of its divisors is an integer number (23420256).

Almost surely, 2^134666403 is an apocalyptic number.

134666403 is a deficient number, since it is larger than the sum of its proper divisors (52695645).

134666403 is a wasteful number, since it uses less digits than its factorization.

134666403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951713.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 134666403 is about 11604.5854299066. The cubic root of 134666403 is about 512.5698852151.

The spelling of 134666403 in words is "one hundred thirty-four million, six hundred sixty-six thousand, four hundred three".