133670707 has 4 divisors (see below), whose sum is σ = 133716456. Its totient is φ = 133624960.

The previous prime is 133670689. The next prime is 133670737. The reversal of 133670707 is 707076331.

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 133670707 - 2²³ = 125282099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133670737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18169 + ... + 24442.

It is an arithmetic number, because the mean of its divisors is an integer number (33429114).

Almost surely, 2^133670707 is an apocalyptic number.

133670707 is a deficient number, since it is larger than the sum of its proper divisors (45749).

133670707 is an equidigital number, since it uses as much as digits as its factorization.

133670707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45748.

The product of its (nonzero) digits is 18522, while the sum is 34.

The square root of 133670707 is about 11561.6048626477. The cubic root of 133670707 is about 511.3034797187.

The spelling of 133670707 in words is "one hundred thirty-three million, six hundred seventy thousand, seven hundred seven".