133116073 has 2 divisors, whose sum is σ = 133116074. Its totient is φ = 133116072.

The previous prime is 133116031. The next prime is 133116131. The reversal of 133116073 is 370611331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116899344 + 16216729 = 10812^2 + 4027^2 .

It is an emirp because it is prime and its reverse (370611331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133116073 - 2¹⁷ = 132985001 is a prime.

It is not a weakly prime, because it can be changed into another prime (133116773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66558036 + 66558037.

It is an arithmetic number, because the mean of its divisors is an integer number (66558037).

Almost surely, 2^133116073 is an apocalyptic number.

It is an amenable number.

133116073 is a deficient number, since it is larger than the sum of its proper divisors (1).

133116073 is an equidigital number, since it uses as much as digits as its factorization.

133116073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 133116073 is about 11537.5938999429. The cubic root of 133116073 is about 510.5953230072.

The spelling of 133116073 in words is "one hundred thirty-three million, one hundred sixteen thousand, seventy-three".