133003223861 has 2 divisors, whose sum is σ = 133003223862. Its totient is φ = 133003223860.

The previous prime is 133003223851. The next prime is 133003223897. The reversal of 133003223861 is 168322300331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92312668900 + 40690554961 = 303830^2 + 201719^2 .

It is a cyclic number.

It is not a de Polignac number, because 133003223861 - 2⁶ = 133003223797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133003223851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66501611930 + 66501611931.

It is an arithmetic number, because the mean of its divisors is an integer number (66501611931).

Almost surely, 2^133003223861 is an apocalyptic number.

It is an amenable number.

133003223861 is a deficient number, since it is larger than the sum of its proper divisors (1).

133003223861 is an equidigital number, since it uses as much as digits as its factorization.

133003223861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 133003223861 in words is "one hundred thirty-three billion, three million, two hundred twenty-three thousand, eight hundred sixty-one".