133203607 has 2 divisors, whose sum is σ = 133203608. Its totient is φ = 133203606.

The previous prime is 133203563. The next prime is 133203613. The reversal of 133203607 is 706302331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133203607 - 2¹⁹ = 132679319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133203647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66601803 + 66601804.

It is an arithmetic number, because the mean of its divisors is an integer number (66601804).

Almost surely, 2^133203607 is an apocalyptic number.

133203607 is a deficient number, since it is larger than the sum of its proper divisors (1).

133203607 is an equidigital number, since it uses as much as digits as its factorization.

133203607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 133203607 is about 11541.3867017790. The cubic root of 133203607 is about 510.7072169779.

Adding to 133203607 its reverse (706302331), we get a palindrome (839505938).

The spelling of 133203607 in words is "one hundred thirty-three million, two hundred three thousand, six hundred seven".