134666667 has 12 divisors (see below), whose sum is σ = 194765584. Its totient is φ = 89663760.

The previous prime is 134666663. The next prime is 134666687. The reversal of 134666667 is 766666431.

It is not a de Polignac number, because 134666667 - 2² = 134666663 is a prime.

It is a super-2 number, since 2×134666667² = 36270222401777778, which contains 22 as substring.

It is a Duffinian number.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1684 + ... + 16497.

Almost surely, 2^134666667 is an apocalyptic number.

134666667 is a deficient number, since it is larger than the sum of its proper divisors (60098917).

134666667 is a wasteful number, since it uses less digits than its factorization.

134666667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19010 (or 19007 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 134666667 is about 11604.5968047149. The cubic root of 134666667 is about 512.5702201622.

The spelling of 134666667 in words is "one hundred thirty-four million, six hundred sixty-six thousand, six hundred sixty-seven".