134666668 has 6 divisors (see below), whose sum is σ = 235666676. Its totient is φ = 67333332.

The previous prime is 134666663. The next prime is 134666687. The reversal of 134666668 is 866666431.

It is a super-2 number, since 2×134666668² = 36270222940444448, which contains 22 as substring.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (134666663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16833330 + ... + 16833337.

Almost surely, 2^134666668 is an apocalyptic number.

It is an amenable number.

134666668 is a deficient number, since it is larger than the sum of its proper divisors (101000008).

134666668 is a wasteful number, since it uses less digits than its factorization.

134666668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33666671 (or 33666669 counting only the distinct ones).

The product of its digits is 746496, while the sum is 46.

The square root of 134666668 is about 11604.5968478013. The cubic root of 134666668 is about 512.5702214309.

The spelling of 134666668 in words is "one hundred thirty-four million, six hundred sixty-six thousand, six hundred sixty-eight".