815134 has 4 divisors (see below), whose sum is σ = 1222704. Its totient is φ = 407566.

The previous prime is 815123. The next prime is 815141. The reversal of 815134 is 431518.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203782 + ... + 203785.

It is an arithmetic number, because the mean of its divisors is an integer number (305676).

2⁸¹⁵¹³⁴ is an apocalyptic number.

815134 is a deficient number, since it is larger than the sum of its proper divisors (407570).

815134 is a wasteful number, since it uses less digits than its factorization.

815134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407569.

The product of its digits is 480, while the sum is 22.

The square root of 815134 is about 902.8477169490. The cubic root of 815134 is about 93.4135053766.

It can be divided in two parts, 815 and 134, that added together give a palindrome (949).

The spelling of 815134 in words is "eight hundred fifteen thousand, one hundred thirty-four".