800134609 has 8 divisors (see below), whose sum is σ = 806426280. Its totient is φ = 793865856.

The previous prime is 800134553. The next prime is 800134651. The reversal of 800134609 is 906431008.

It can be written as a sum of positive squares in 4 ways, for example, as 139901584 + 660233025 = 11828^2 + 25695^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 800134609 - 2¹³ = 800126417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800134009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68037 + ... + 78925.

It is an arithmetic number, because the mean of its divisors is an integer number (100803285).

Almost surely, 2^800134609 is an apocalyptic number.

It is an amenable number.

800134609 is a deficient number, since it is larger than the sum of its proper divisors (6291671).

800134609 is a wasteful number, since it uses less digits than its factorization.

800134609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 800134609 is about 28286.6507207905. The cubic root of 800134609 is about 928.3698304385.

The spelling of 800134609 in words is "eight hundred million, one hundred thirty-four thousand, six hundred nine".