133513607 has 2 divisors, whose sum is σ = 133513608. Its totient is φ = 133513606.

The previous prime is 133513591. The next prime is 133513657. The reversal of 133513607 is 706315331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133513607 - 2⁴ = 133513591 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133513607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133513657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66756803 + 66756804.

It is an arithmetic number, because the mean of its divisors is an integer number (66756804).

Almost surely, 2^133513607 is an apocalyptic number.

133513607 is a deficient number, since it is larger than the sum of its proper divisors (1).

133513607 is an equidigital number, since it uses as much as digits as its factorization.

133513607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 133513607 is about 11554.8088257660. The cubic root of 133513607 is about 511.1030935923.

Adding to 133513607 its reverse (706315331), we get a palindrome (839828938).

The spelling of 133513607 in words is "one hundred thirty-three million, five hundred thirteen thousand, six hundred seven".