133645165139 has 2 divisors, whose sum is σ = 133645165140. Its totient is φ = 133645165138.

The previous prime is 133645165127. The next prime is 133645165153. The reversal of 133645165139 is 931561546331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133645165139 - 2⁸ = 133645164883 is a prime.

It is a super-2 number, since 2×133645165139² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133645165093 and 133645165102.

It is not a weakly prime, because it can be changed into another prime (133645165939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66822582569 + 66822582570.

It is an arithmetic number, because the mean of its divisors is an integer number (66822582570).

Almost surely, 2^133645165139 is an apocalyptic number.

133645165139 is a deficient number, since it is larger than the sum of its proper divisors (1).

133645165139 is an equidigital number, since it uses as much as digits as its factorization.

133645165139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 874800, while the sum is 47.

The spelling of 133645165139 in words is "one hundred thirty-three billion, six hundred forty-five million, one hundred sixty-five thousand, one hundred thirty-nine".