133998618383117 has 2 divisors, whose sum is σ = 133998618383118. Its totient is φ = 133998618383116.

The previous prime is 133998618383107. The next prime is 133998618383143. The reversal of 133998618383117 is 711383816899331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133651657329961 + 346961053156 = 11560781^2 + 589034^2 .

It is a cyclic number.

It is not a de Polignac number, because 133998618383117 - 2¹⁶ = 133998618317581 is a prime.

It is a super-2 number, since 2×133998618383117² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133998618383107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66999309191558 + 66999309191559.

It is an arithmetic number, because the mean of its divisors is an integer number (66999309191559).

Almost surely, 2^{133998618383117} is an apocalyptic number.

It is an amenable number.

133998618383117 is a deficient number, since it is larger than the sum of its proper divisors (1).

133998618383117 is an equidigital number, since it uses as much as digits as its factorization.

133998618383117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141087744, while the sum is 71.

The spelling of 133998618383117 in words is "one hundred thirty-three trillion, nine hundred ninety-eight billion, six hundred eighteen million, three hundred eighty-three thousand, one hundred seventeen".