133001003 has 8 divisors (see below), whose sum is σ = 134892480. Its totient is φ = 131114880.

The previous prime is 133000999. The next prime is 133001027. The reversal of 133001003 is 300100331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133001003 - 2² = 133000999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133001093) 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 7 ways as a sum of consecutive naturals, for example, 97043 + ... + 98403.

It is an arithmetic number, because the mean of its divisors is an integer number (16861560).

Almost surely, 2^133001003 is an apocalyptic number.

133001003 is a deficient number, since it is larger than the sum of its proper divisors (1891477).

133001003 is a wasteful number, since it uses less digits than its factorization.

133001003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 133001003 is about 11532.6060801538. The cubic root of 133001003 is about 510.4481553503.

Adding to 133001003 its reverse (300100331), we get a palindrome (433101334).

The spelling of 133001003 in words is "one hundred thirty-three million, one thousand, three".