135308817130456 has 8 divisors (see below), whose sum is σ = 253704032119620. Its totient is φ = 67654408565224.

The previous prime is 135308817130379. The next prime is 135308817130457. The reversal of 135308817130456 is 654031718803531.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 135308817130397 and 135308817130406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135308817130457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8456801070646 + ... + 8456801070661.

Almost surely, 2^{135308817130456} is an apocalyptic number.

It is an amenable number.

135308817130456 is a deficient number, since it is larger than the sum of its proper divisors (118395214989164).

135308817130456 is a wasteful number, since it uses less digits than its factorization.

135308817130456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16913602141313 (or 16913602141309 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 135308817130456 in words is "one hundred thirty-five trillion, three hundred eight billion, eight hundred seventeen million, one hundred thirty thousand, four hundred fifty-six".