820926134 has 8 divisors (see below), whose sum is σ = 1407301968. Its totient is φ = 351825480.

The previous prime is 820926101. The next prime is 820926137. The reversal of 820926134 is 431629028.

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

It is a junction number, because it is equal to n+sod(n) for n = 820926094 and 820926103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820926137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29318777 + ... + 29318804.

It is an arithmetic number, because the mean of its divisors is an integer number (175912746).

Almost surely, 2^820926134 is an apocalyptic number.

820926134 is a deficient number, since it is larger than the sum of its proper divisors (586375834).

820926134 is a wasteful number, since it uses less digits than its factorization.

820926134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58637590.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 820926134 is about 28651.8085642076. The cubic root of 820926134 is about 936.3424087236.

It can be divided in two parts, 8209 and 26134, that added together give a palindrome (34343).

The spelling of 820926134 in words is "eight hundred twenty million, nine hundred twenty-six thousand, one hundred thirty-four".