133801117 has 2 divisors, whose sum is σ = 133801118. Its totient is φ = 133801116.

The previous prime is 133801111. The next prime is 133801159. The reversal of 133801117 is 711108331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81108036 + 52693081 = 9006^2 + 7259^2 .

It is a cyclic number.

It is not a de Polignac number, because 133801117 - 2²³ = 125412509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133801091 and 133801100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133801111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66900558 + 66900559.

It is an arithmetic number, because the mean of its divisors is an integer number (66900559).

Almost surely, 2^133801117 is an apocalyptic number.

It is an amenable number.

133801117 is a deficient number, since it is larger than the sum of its proper divisors (1).

133801117 is an equidigital number, since it uses as much as digits as its factorization.

133801117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 133801117 is about 11567.2432757334. The cubic root of 133801117 is about 511.4697026602.

Adding to 133801117 its reverse (711108331), we get a palindrome (844909448).

The spelling of 133801117 in words is "one hundred thirty-three million, eight hundred one thousand, one hundred seventeen".