133011001 has 8 divisors (see below), whose sum is σ = 146099520. Its totient is φ = 120531312.

The previous prime is 133010993. The next prime is 133011017. The reversal of 133011001 is 100110331.

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 133011001 - 2³ = 133010993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133011061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151750 + ... + 152623.

It is an arithmetic number, because the mean of its divisors is an integer number (18262440).

Almost surely, 2^133011001 is an apocalyptic number.

It is an amenable number.

133011001 is a deficient number, since it is larger than the sum of its proper divisors (13088519).

133011001 is a wasteful number, since it uses less digits than its factorization.

133011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304415.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 133011001 is about 11533.0395386472. The cubic root of 133011001 is about 510.4609455616.

Adding to 133011001 its reverse (100110331), we get a palindrome (233121332).

The spelling of 133011001 in words is "one hundred thirty-three million, eleven thousand, one".