134445667 has 4 divisors (see below), whose sum is σ = 138782656. Its totient is φ = 130108680.

The previous prime is 134445599. The next prime is 134445697. The reversal of 134445667 is 766544431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134445667 - 2¹¹ = 134443619 is a prime.

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 (134445697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168448 + ... + 2168509.

It is an arithmetic number, because the mean of its divisors is an integer number (34695664).

Almost surely, 2^134445667 is an apocalyptic number.

134445667 is a deficient number, since it is larger than the sum of its proper divisors (4336989).

134445667 is an equidigital number, since it uses as much as digits as its factorization.

134445667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336988.

The product of its digits is 241920, while the sum is 40.

The square root of 134445667 is about 11595.0708061659. The cubic root of 134445667 is about 512.2896755053.

The spelling of 134445667 in words is "one hundred thirty-four million, four hundred forty-five thousand, six hundred sixty-seven".