816134 has 8 divisors (see below), whose sum is σ = 1335528. Its totient is φ = 370960.

The previous prime is 816133. The next prime is 816157. The reversal of 816134 is 431618.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18527 + ... + 18570.

It is an arithmetic number, because the mean of its divisors is an integer number (166941).

2⁸¹⁶¹³⁴ is an apocalyptic number.

816134 is a deficient number, since it is larger than the sum of its proper divisors (519394).

816134 is a wasteful number, since it uses less digits than its factorization.

816134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37110.

The product of its digits is 576, while the sum is 23.

The square root of 816134 is about 903.4013504528. The cubic root of 816134 is about 93.4516894183.

The spelling of 816134 in words is "eight hundred sixteen thousand, one hundred thirty-four".