133441073 has 2 divisors, whose sum is σ = 133441074. Its totient is φ = 133441072.

The previous prime is 133441069. The next prime is 133441079. The reversal of 133441073 is 370144331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92698384 + 40742689 = 9628^2 + 6383^2 .

It is an emirp because it is prime and its reverse (370144331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133441073 - 2² = 133441069 is a prime.

It is not a weakly prime, because it can be changed into another prime (133441079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66720536 + 66720537.

It is an arithmetic number, because the mean of its divisors is an integer number (66720537).

Almost surely, 2^133441073 is an apocalyptic number.

It is an amenable number.

133441073 is a deficient number, since it is larger than the sum of its proper divisors (1).

133441073 is an equidigital number, since it uses as much as digits as its factorization.

133441073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 133441073 is about 11551.6697061507. The cubic root of 133441073 is about 511.0105210870.

The spelling of 133441073 in words is "one hundred thirty-three million, four hundred forty-one thousand, seventy-three".