133579907 has 2 divisors, whose sum is σ = 133579908. Its totient is φ = 133579906.

The previous prime is 133579903. The next prime is 133579909. The reversal of 133579907 is 709975331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133579907 - 2² = 133579903 is a prime.

Together with 133579909, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133579903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66789953 + 66789954.

It is an arithmetic number, because the mean of its divisors is an integer number (66789954).

Almost surely, 2^133579907 is an apocalyptic number.

133579907 is a deficient number, since it is larger than the sum of its proper divisors (1).

133579907 is an equidigital number, since it uses as much as digits as its factorization.

133579907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 178605, while the sum is 44.

The square root of 133579907 is about 11557.6774050845. The cubic root of 133579907 is about 511.1876805453.

The spelling of 133579907 in words is "one hundred thirty-three million, five hundred seventy-nine thousand, nine hundred seven".