135809383041280 has 144 divisors (see below), whose sum is σ = 351387855935424. Its totient is φ = 49993505464320.

The previous prime is 135809383041203. The next prime is 135809383041301. The reversal of 135809383041280 is 82140383908531.

It is a super-2 number, since 2×135809383041280² (a number of 29 digits) contains 22 as substring.

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, 6820894 + ... + 17836573.

It is an arithmetic number, because the mean of its divisors is an integer number (2440193443996).

Almost surely, 2^{135809383041280} is an apocalyptic number.

135809383041280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135809383041280 is an abundant number, since it is smaller than the sum of its proper divisors (215578472894144).

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

135809383041280 is a wasteful number, since it uses less digits than its factorization.

135809383041280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24657832 (or 24657818 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 135809383041280 in words is "one hundred thirty-five trillion, eight hundred nine billion, three hundred eighty-three million, forty-one thousand, two hundred eighty".