1001404133 has 4 divisors (see below), whose sum is σ = 1035935340. Its totient is φ = 966872928.

The previous prime is 1001404127. The next prime is 1001404163. The reversal of 1001404133 is 3314041001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3314041001 = 61 ⋅54328541.

It can be written as a sum of positive squares in 2 ways, for example, as 425308129 + 576096004 = 20623^2 + 24002^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001404133 - 2⁶ = 1001404069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001404123) 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 3 ways as a sum of consecutive naturals, for example, 17265560 + ... + 17265617.

It is an arithmetic number, because the mean of its divisors is an integer number (258983835).

Almost surely, 2^1001404133 is an apocalyptic number.

It is an amenable number.

1001404133 is a deficient number, since it is larger than the sum of its proper divisors (34531207).

1001404133 is an equidigital number, since it uses as much as digits as its factorization.

1001404133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34531206.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1001404133 is about 31644.9701058478. The cubic root of 1001404133 is about 1000.4678254386.

Adding to 1001404133 its reverse (3314041001), we get a palindrome (4315445134).

The spelling of 1001404133 in words is "one billion, one million, four hundred four thousand, one hundred thirty-three".