135217427351 has 2 divisors, whose sum is σ = 135217427352. Its totient is φ = 135217427350.

The previous prime is 135217427339. The next prime is 135217427383. The reversal of 135217427351 is 153724712531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135217427351 - 2¹⁸ = 135217165207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135217427299 and 135217427308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135217427311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67608713675 + 67608713676.

It is an arithmetic number, because the mean of its divisors is an integer number (67608713676).

Almost surely, 2^135217427351 is an apocalyptic number.

135217427351 is a deficient number, since it is larger than the sum of its proper divisors (1).

135217427351 is an equidigital number, since it uses as much as digits as its factorization.

135217427351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 41.

The spelling of 135217427351 in words is "one hundred thirty-five billion, two hundred seventeen million, four hundred twenty-seven thousand, three hundred fifty-one".