133012603 has 4 divisors (see below), whose sum is σ = 133192368. Its totient is φ = 132832840.

The previous prime is 133012571. The next prime is 133012613. The reversal of 133012603 is 306210331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306210331 = 7 ⋅43744333.

It is a cyclic number.

It is not a de Polignac number, because 133012603 - 2⁵ = 133012571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133012613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88768 + ... + 90253.

It is an arithmetic number, because the mean of its divisors is an integer number (33298092).

Almost surely, 2^133012603 is an apocalyptic number.

133012603 is a deficient number, since it is larger than the sum of its proper divisors (179765).

133012603 is an equidigital number, since it uses as much as digits as its factorization.

133012603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179764.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 133012603 is about 11533.1089910743. The cubic root of 133012603 is about 510.4629949038.

Adding to 133012603 its reverse (306210331), we get a palindrome (439222934).

The spelling of 133012603 in words is "one hundred thirty-three million, twelve thousand, six hundred three".