805135494 has 16 divisors (see below), whose sum is σ = 1610829360. Its totient is φ = 268285440.

The previous prime is 805135489. The next prime is 805135519. The reversal of 805135494 is 494531508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3187 + ... + 40254.

It is an arithmetic number, because the mean of its divisors is an integer number (100676835).

Almost surely, 2^805135494 is an apocalyptic number.

805135494 is an abundant number, since it is smaller than the sum of its proper divisors (805693866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

805135494 is a wasteful number, since it uses less digits than its factorization.

805135494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46535.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 805135494 is about 28374.9095857590. The cubic root of 805135494 is about 930.2999356306.

The spelling of 805135494 in words is "eight hundred five million, one hundred thirty-five thousand, four hundred ninety-four".