133161097 has 2 divisors, whose sum is σ = 133161098. Its totient is φ = 133161096.

The previous prime is 133161079. The next prime is 133161163. The reversal of 133161097 is 790161331.

Together with previous prime (133161079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132963961 + 197136 = 11531^2 + 444^2 .

It is a cyclic number.

It is not a de Polignac number, because 133161097 - 2¹⁹ = 132636809 is a prime.

It is not a weakly prime, because it can be changed into another prime (133161047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66580548 + 66580549.

It is an arithmetic number, because the mean of its divisors is an integer number (66580549).

Almost surely, 2^133161097 is an apocalyptic number.

It is an amenable number.

133161097 is a deficient number, since it is larger than the sum of its proper divisors (1).

133161097 is an equidigital number, since it uses as much as digits as its factorization.

133161097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 133161097 is about 11539.5449217029. The cubic root of 133161097 is about 510.6528829294.

The spelling of 133161097 in words is "one hundred thirty-three million, one hundred sixty-one thousand, ninety-seven".