667309134 has 32 divisors (see below), whose sum is σ = 1393187616. Its totient is φ = 212872320.

The previous prime is 667309117. The next prime is 667309141. The reversal of 667309134 is 431903766.

667309134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 667309092 and 667309101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11097 + ... + 38180.

It is an arithmetic number, because the mean of its divisors is an integer number (43537113).

Almost surely, 2^667309134 is an apocalyptic number.

667309134 is an abundant number, since it is smaller than the sum of its proper divisors (725878482).

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

667309134 is a wasteful number, since it uses less digits than its factorization.

667309134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49380.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 667309134 is about 25832.3273051423. The cubic root of 667309134 is about 873.8609980946.

The spelling of 667309134 in words is "six hundred sixty-seven million, three hundred nine thousand, one hundred thirty-four".