646306134 has 8 divisors (see below), whose sum is σ = 1292612280. Its totient is φ = 215435376.

The previous prime is 646306127. The next prime is 646306169. The reversal of 646306134 is 431603646.

646306134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

646306134 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 646306095 and 646306104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53858839 + ... + 53858850.

It is an arithmetic number, because the mean of its divisors is an integer number (161576535).

Almost surely, 2^646306134 is an apocalyptic number.

646306134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

646306134 is a wasteful number, since it uses less digits than its factorization.

646306134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107717694.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 646306134 is about 25422.5516815287. The cubic root of 646306134 is about 864.5950788365.

The spelling of 646306134 in words is "six hundred forty-six million, three hundred six thousand, one hundred thirty-four".