133457603 has 2 divisors, whose sum is σ = 133457604. Its totient is φ = 133457602.

The previous prime is 133457593. The next prime is 133457629. The reversal of 133457603 is 306754331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133457603 - 2⁸ = 133457347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133457603.

It is not a weakly prime, because it can be changed into another prime (133457683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66728801 + 66728802.

It is an arithmetic number, because the mean of its divisors is an integer number (66728802).

Almost surely, 2^133457603 is an apocalyptic number.

133457603 is a deficient number, since it is larger than the sum of its proper divisors (1).

133457603 is an equidigital number, since it uses as much as digits as its factorization.

133457603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 133457603 is about 11552.3851649778. The cubic root of 133457603 is about 511.0316206754.

The spelling of 133457603 in words is "one hundred thirty-three million, four hundred fifty-seven thousand, six hundred three".