1216336146133 has 2 divisors, whose sum is σ = 1216336146134. Its totient is φ = 1216336146132.

The previous prime is 1216336146121. The next prime is 1216336146149. The reversal of 1216336146133 is 3316416336121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 659308272484 + 557027873649 = 811978^2 + 746343^2 .

It is a cyclic number.

It is not a de Polignac number, because 1216336146133 - 2⁵ = 1216336146101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1216336146733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 608168073066 + 608168073067.

It is an arithmetic number, because the mean of its divisors is an integer number (608168073067).

Almost surely, 2^{1216336146133} is an apocalyptic number.

It is an amenable number.

1216336146133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1216336146133 is an equidigital number, since it uses as much as digits as its factorization.

1216336146133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 40.

The spelling of 1216336146133 in words is "one trillion, two hundred sixteen billion, three hundred thirty-six million, one hundred forty-six thousand, one hundred thirty-three".