40002013133 has 4 divisors (see below), whose sum is σ = 40002908700. Its totient is φ = 40001117568.

The previous prime is 40002013031. The next prime is 40002013141. The reversal of 40002013133 is 33131020004.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15037381129 + 24964632004 = 122627^2 + 158002^2 .

It is a cyclic number.

It is not a de Polignac number, because 40002013133 - 2¹⁸ = 40001750989 is a prime.

It is a super-2 number, since 2×40002013133² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40002013193) 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, 377060 + ... + 471357.

It is an arithmetic number, because the mean of its divisors is an integer number (10000727175).

Almost surely, 2^40002013133 is an apocalyptic number.

It is an amenable number.

40002013133 is a deficient number, since it is larger than the sum of its proper divisors (895567).

40002013133 is an equidigital number, since it uses as much as digits as its factorization.

40002013133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895566.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 40002013133 its reverse (33131020004), we get a palindrome (73133033137).

The spelling of 40002013133 in words is "forty billion, two million, thirteen thousand, one hundred thirty-three".