134320663436520 has 64 divisors (see below), whose sum is σ = 439594898523840. Its totient is φ = 32562585075200.

The previous prime is 134320663436467. The next prime is 134320663436563. The reversal of 134320663436520 is 25634366023431.

It is a self number, because there is not a number n which added to its sum of digits gives 134320663436520.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50879037861 + ... + 50879040500.

It is an arithmetic number, because the mean of its divisors is an integer number (6868670289435).

Almost surely, 2^{134320663436520} is an apocalyptic number.

134320663436520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134320663436520 is an abundant number, since it is smaller than the sum of its proper divisors (305274235087320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134320663436520 is a wasteful number, since it uses less digits than its factorization.

134320663436520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101758078386 (or 101758078382 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 48.

The spelling of 134320663436520 in words is "one hundred thirty-four trillion, three hundred twenty billion, six hundred sixty-three million, four hundred thirty-six thousand, five hundred twenty".