135531320144351 has 2 divisors, whose sum is σ = 135531320144352. Its totient is φ = 135531320144350.

The previous prime is 135531320144303. The next prime is 135531320144417. The reversal of 135531320144351 is 153441023135531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135531320144351 - 2¹⁰ = 135531320143327 is a prime.

It is a super-3 number, since 3×135531320144351³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 135531320144299 and 135531320144308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135531320144851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67765660072175 + 67765660072176.

It is an arithmetic number, because the mean of its divisors is an integer number (67765660072176).

Almost surely, 2^{135531320144351} is an apocalyptic number.

135531320144351 is a deficient number, since it is larger than the sum of its proper divisors (1).

135531320144351 is an equidigital number, since it uses as much as digits as its factorization.

135531320144351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 41.

Adding to 135531320144351 its reverse (153441023135531), we get a palindrome (288972343279882).

The spelling of 135531320144351 in words is "one hundred thirty-five trillion, five hundred thirty-one billion, three hundred twenty million, one hundred forty-four thousand, three hundred fifty-one".