40221126133 has 2 divisors, whose sum is σ = 40221126134. Its totient is φ = 40221126132.

The previous prime is 40221126109. The next prime is 40221126137. The reversal of 40221126133 is 33162112204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20277190404 + 19943935729 = 142398^2 + 141223^2 .

It is a cyclic number.

It is not a de Polignac number, because 40221126133 - 2¹³ = 40221117941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40221126098 and 40221126107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40221126137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20110563066 + 20110563067.

It is an arithmetic number, because the mean of its divisors is an integer number (20110563067).

Almost surely, 2^40221126133 is an apocalyptic number.

It is an amenable number.

40221126133 is a deficient number, since it is larger than the sum of its proper divisors (1).

40221126133 is an equidigital number, since it uses as much as digits as its factorization.

40221126133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 40221126133 its reverse (33162112204), we get a palindrome (73383238337).

The spelling of 40221126133 in words is "forty billion, two hundred twenty-one million, one hundred twenty-six thousand, one hundred thirty-three".