135451452434239 has 2 divisors, whose sum is σ = 135451452434240. Its totient is φ = 135451452434238.

The previous prime is 135451452434197. The next prime is 135451452434257. The reversal of 135451452434239 is 932434254154531.

It is a strong prime.

It is an emirp because it is prime and its reverse (932434254154531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135451452434239 - 2¹³ = 135451452426047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135451452434239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135451452434939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67725726217119 + 67725726217120.

It is an arithmetic number, because the mean of its divisors is an integer number (67725726217120).

Almost surely, 2^{135451452434239} is an apocalyptic number.

135451452434239 is a deficient number, since it is larger than the sum of its proper divisors (1).

135451452434239 is an equidigital number, since it uses as much as digits as its factorization.

135451452434239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104000, while the sum is 55.

The spelling of 135451452434239 in words is "one hundred thirty-five trillion, four hundred fifty-one billion, four hundred fifty-two million, four hundred thirty-four thousand, two hundred thirty-nine".