133189003 has 4 divisors (see below), whose sum is σ = 134507808. Its totient is φ = 131870200.

The previous prime is 133188983. The next prime is 133189057. The reversal of 133189003 is 300981331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133189003 - 2⁹ = 133188491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133189073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659251 + ... + 659452.

It is an arithmetic number, because the mean of its divisors is an integer number (33626952).

Almost surely, 2^133189003 is an apocalyptic number.

133189003 is a deficient number, since it is larger than the sum of its proper divisors (1318805).

133189003 is a wasteful number, since it uses less digits than its factorization.

133189003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318804.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 133189003 is about 11540.7540048300. The cubic root of 133189003 is about 510.6885522161.

The spelling of 133189003 in words is "one hundred thirty-three million, one hundred eighty-nine thousand, three".