133676347 has 4 divisors (see below), whose sum is σ = 152772976. Its totient is φ = 114579720.

The previous prime is 133676339. The next prime is 133676351. The reversal of 133676347 is 743676331.

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 133676347 - 2³ = 133676339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133676317) 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, 9548304 + ... + 9548317.

It is an arithmetic number, because the mean of its divisors is an integer number (38193244).

Almost surely, 2^133676347 is an apocalyptic number.

133676347 is a deficient number, since it is larger than the sum of its proper divisors (19096629).

133676347 is an equidigital number, since it uses as much as digits as its factorization.

133676347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19096628.

The product of its digits is 190512, while the sum is 40.

The square root of 133676347 is about 11561.8487708498. The cubic root of 133676347 is about 511.3106708007.

The spelling of 133676347 in words is "one hundred thirty-three million, six hundred seventy-six thousand, three hundred forty-seven".