134185668 has 24 divisors (see below), whose sum is σ = 323897280. Its totient is φ = 43186080.

The previous prime is 134185663. The next prime is 134185691. The reversal of 134185668 is 866581431.

It is not an unprimeable number, because it can be changed into a prime (134185663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192448 + ... + 193143.

It is an arithmetic number, because the mean of its divisors is an integer number (13495720).

Almost surely, 2^134185668 is an apocalyptic number.

It is an amenable number.

134185668 is an abundant number, since it is smaller than the sum of its proper divisors (189711612).

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

134185668 is a wasteful number, since it uses less digits than its factorization.

134185668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385627 (or 385625 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 134185668 is about 11583.8537628891. The cubic root of 134185668 is about 511.9592303556.

The spelling of 134185668 in words is "one hundred thirty-four million, one hundred eighty-five thousand, six hundred sixty-eight".