135530370531473 has 2 divisors, whose sum is σ = 135530370531474. Its totient is φ = 135530370531472.

The previous prime is 135530370531449. The next prime is 135530370531497. The reversal of 135530370531473 is 374135073035531.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (135530370531449) and next prime (135530370531497).

It can be written as a sum of positive squares in only one way, i.e., 83513863742464 + 52016506789009 = 9138592^2 + 7212247^2 .

It is a cyclic number.

It is not a de Polignac number, because 135530370531473 - 2¹⁰ = 135530370530449 is a prime.

It is not a weakly prime, because it can be changed into another prime (135530370531443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67765185265736 + 67765185265737.

It is an arithmetic number, because the mean of its divisors is an integer number (67765185265737).

Almost surely, 2^{135530370531473} is an apocalyptic number.

It is an amenable number.

135530370531473 is a deficient number, since it is larger than the sum of its proper divisors (1).

135530370531473 is an equidigital number, since it uses as much as digits as its factorization.

135530370531473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5953500, while the sum is 50.

The spelling of 135530370531473 in words is "one hundred thirty-five trillion, five hundred thirty billion, three hundred seventy million, five hundred thirty-one thousand, four hundred seventy-three".