133300307 has 16 divisors (see below), whose sum is σ = 160289472. Its totient is φ = 108449280.

The previous prime is 133300303. The next prime is 133300309. The reversal of 133300307 is 703003331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133300307 - 2² = 133300303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133300303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4343 + ... + 16895.

It is an arithmetic number, because the mean of its divisors is an integer number (10018092).

Almost surely, 2^133300307 is an apocalyptic number.

133300307 is a deficient number, since it is larger than the sum of its proper divisors (26989165).

133300307 is a wasteful number, since it uses less digits than its factorization.

133300307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12638.

The product of its (nonzero) digits is 567, while the sum is 20.

The square root of 133300307 is about 11545.5752130416. The cubic root of 133300307 is about 510.8307707946.

Adding to 133300307 its reverse (703003331), we get a palindrome (836303638).

The spelling of 133300307 in words is "one hundred thirty-three million, three hundred thousand, three hundred seven".