809613134 has 32 divisors (see below), whose sum is σ = 1415239776. Its totient is φ = 343275520.

The previous prime is 809613131. The next prime is 809613137. The reversal of 809613134 is 431316908.

It is an interprime number because it is at equal distance from previous prime (809613131) and next prime (809613137).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 809613094 and 809613103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809613131) 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, 32684 + ... + 51840.

It is an arithmetic number, because the mean of its divisors is an integer number (44226243).

Almost surely, 2^809613134 is an apocalyptic number.

809613134 is a deficient number, since it is larger than the sum of its proper divisors (605626642).

809613134 is a wasteful number, since it uses less digits than its factorization.

809613134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19300.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 809613134 is about 28453.7015869640. The cubic root of 809613134 is about 932.0213228926.

The spelling of 809613134 in words is "eight hundred nine million, six hundred thirteen thousand, one hundred thirty-four".