134451805 has 8 divisors (see below), whose sum is σ = 166546944. Its totient is φ = 104091600.

The previous prime is 134451803. The next prime is 134451839. The reversal of 134451805 is 508154431.

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

It is not a de Polignac number, because 134451805 - 2¹ = 134451803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134451803) 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, 433561 + ... + 433870.

It is an arithmetic number, because the mean of its divisors is an integer number (20818368).

Almost surely, 2^134451805 is an apocalyptic number.

It is an amenable number.

134451805 is a deficient number, since it is larger than the sum of its proper divisors (32095139).

134451805 is an equidigital number, since it uses as much as digits as its factorization.

134451805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867467.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 134451805 is about 11595.3354845817. The cubic root of 134451805 is about 512.2974714332.

The spelling of 134451805 in words is "one hundred thirty-four million, four hundred fifty-one thousand, eight hundred five".