135207706780 has 12 divisors (see below), whose sum is σ = 283936184280. Its totient is φ = 54083082704.

The previous prime is 135207706759. The next prime is 135207706783. The reversal of 135207706780 is 87607702531.

It is a super-2 number, since 2×135207706780² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135207706780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135207706783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3380192650 + ... + 3380192689.

It is an arithmetic number, because the mean of its divisors is an integer number (23661348690).

Almost surely, 2^135207706780 is an apocalyptic number.

135207706780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135207706780 is an abundant number, since it is smaller than the sum of its proper divisors (148728477500).

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

135207706780 is a wasteful number, since it uses less digits than its factorization.

135207706780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6760385348 (or 6760385346 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 135207706780 in words is "one hundred thirty-five billion, two hundred seven million, seven hundred six thousand, seven hundred eighty".