134281745 has 16 divisors (see below), whose sum is σ = 179519760. Its totient is φ = 95741184.

The previous prime is 134281727. The next prime is 134281747. The reversal of 134281745 is 547182431.

It is a Cunningham number, because it is equal to 11588²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 34621456 + 99660289 = 5884^2 + 9983^2 .

It is a cyclic number.

It is not a de Polignac number, because 134281745 - 2¹⁰ = 134280721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134281747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33734 + ... + 37503.

It is an arithmetic number, because the mean of its divisors is an integer number (11219985).

Almost surely, 2^134281745 is an apocalyptic number.

It is an amenable number.

134281745 is a deficient number, since it is larger than the sum of its proper divisors (45238015).

134281745 is a wasteful number, since it uses less digits than its factorization.

134281745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71284.

The product of its digits is 26880, while the sum is 35.

The square root of 134281745 is about 11588.0000431481. Note that the first 4 decimals coincide. The cubic root of 134281745 is about 512.0813888865.

The spelling of 134281745 in words is "one hundred thirty-four million, two hundred eighty-one thousand, seven hundred forty-five".