40336890137 has 2 divisors, whose sum is σ = 40336890138. Its totient is φ = 40336890136.

The previous prime is 40336890127. The next prime is 40336890151. The reversal of 40336890137 is 73109863304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39768735241 + 568154896 = 199421^2 + 23836^2 .

It is a cyclic number.

It is not a de Polignac number, because 40336890137 - 2¹⁰ = 40336889113 is a prime.

It is not a weakly prime, because it can be changed into another prime (40336890107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20168445068 + 20168445069.

It is an arithmetic number, because the mean of its divisors is an integer number (20168445069).

Almost surely, 2^40336890137 is an apocalyptic number.

It is an amenable number.

40336890137 is a deficient number, since it is larger than the sum of its proper divisors (1).

40336890137 is an equidigital number, since it uses as much as digits as its factorization.

40336890137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 40336890137 in words is "forty billion, three hundred thirty-six million, eight hundred ninety thousand, one hundred thirty-seven".