809850134 has 16 divisors (see below), whose sum is σ = 1227242016. Its totient is φ = 400790400.

The previous prime is 809850133. The next prime is 809850179. The reversal of 809850134 is 431058908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809850133) 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, 75464 + ... + 85524.

It is an arithmetic number, because the mean of its divisors is an integer number (76702626).

Almost surely, 2^809850134 is an apocalyptic number.

809850134 is a deficient number, since it is larger than the sum of its proper divisors (417391882).

809850134 is a wasteful number, since it uses less digits than its factorization.

809850134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10471.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 809850134 is about 28457.8659424771. The cubic root of 809850134 is about 932.1122583011.

The spelling of 809850134 in words is "eight hundred nine million, eight hundred fifty thousand, one hundred thirty-four".