828020134 has 4 divisors (see below), whose sum is σ = 1242030204. Its totient is φ = 414010066.

The previous prime is 828020131. The next prime is 828020147. The reversal of 828020134 is 431020828.

828020134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828020131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207005032 + ... + 207005035.

It is an arithmetic number, because the mean of its divisors is an integer number (310507551).

Almost surely, 2^828020134 is an apocalyptic number.

828020134 is a deficient number, since it is larger than the sum of its proper divisors (414010070).

828020134 is a wasteful number, since it uses less digits than its factorization.

828020134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414010069.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 828020134 is about 28775.3389901839. The cubic root of 828020134 is about 939.0317984758.

The spelling of 828020134 in words is "eight hundred twenty-eight million, twenty thousand, one hundred thirty-four".