133300013 has 24 divisors (see below), whose sum is σ = 168307776. Its totient is φ = 103340160.

The previous prime is 133300007. The next prime is 133300033. The reversal of 133300013 is 310003331.

It is not a de Polignac number, because 133300013 - 2⁶ = 133299949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133300003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285206 + ... + 285672.

It is an arithmetic number, because the mean of its divisors is an integer number (7012824).

Almost surely, 2^133300013 is an apocalyptic number.

It is an amenable number.

133300013 is a deficient number, since it is larger than the sum of its proper divisors (35007763).

133300013 is a wasteful number, since it uses less digits than its factorization.

133300013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 133300013 is about 11545.5624808842. The cubic root of 133300013 is about 510.8303952407.

Adding to 133300013 its reverse (310003331), we get a palindrome (443303344).

The spelling of 133300013 in words is "one hundred thirty-three million, three hundred thousand, thirteen".