90000133361 has 2 divisors, whose sum is σ = 90000133362. Its totient is φ = 90000133360.

The previous prime is 90000133283. The next prime is 90000133387. The reversal of 90000133361 is 16333100009.

It is an a-pointer prime, because the next prime (90000133387) can be obtained adding 90000133361 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77531061136 + 12469072225 = 278444^2 + 111665^2 .

It is a cyclic number.

It is not a de Polignac number, because 90000133361 - 2¹⁰ = 90000132337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90000133361.

It is not a weakly prime, because it can be changed into another prime (90000133061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45000066680 + 45000066681.

It is an arithmetic number, because the mean of its divisors is an integer number (45000066681).

Almost surely, 2^90000133361 is an apocalyptic number.

It is an amenable number.

90000133361 is a deficient number, since it is larger than the sum of its proper divisors (1).

90000133361 is an equidigital number, since it uses as much as digits as its factorization.

90000133361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 26.

The spelling of 90000133361 in words is "ninety billion, one hundred thirty-three thousand, three hundred sixty-one".