135800465069 has 2 divisors, whose sum is σ = 135800465070. Its totient is φ = 135800465068.

The previous prime is 135800465041. The next prime is 135800465159. The reversal of 135800465069 is 960564008531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135249624169 + 550840900 = 367763^2 + 23470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135800465069 is a prime.

It is a super-2 number, since 2×135800465069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135800665069) 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, 67900232534 + 67900232535.

It is an arithmetic number, because the mean of its divisors is an integer number (67900232535).

Almost surely, 2^135800465069 is an apocalyptic number.

It is an amenable number.

135800465069 is a deficient number, since it is larger than the sum of its proper divisors (1).

135800465069 is an equidigital number, since it uses as much as digits as its factorization.

135800465069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 135800465069 in words is "one hundred thirty-five billion, eight hundred million, four hundred sixty-five thousand, sixty-nine".