128713123733880 has 256 divisors, whose sum is σ = 482334027816960. Its totient is φ = 26796334694400.

The previous prime is 128713123733869. The next prime is 128713123733921. The reversal of 128713123733880 is 88337321317821.

It is a self number, because there is not a number n which added to its sum of digits gives 128713123733880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144936741 + ... + 145822100.

It is an arithmetic number, because the mean of its divisors is an integer number (1884117296160).

Almost surely, 2^{128713123733880} is an apocalyptic number.

128713123733880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128713123733880 is an abundant number, since it is smaller than the sum of its proper divisors (353620904083080).

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

128713123733880 is a wasteful number, since it uses less digits than its factorization.

128713123733880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290758910 (or 290758906 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 128713123733880 in words is "one hundred twenty-eight trillion, seven hundred thirteen billion, one hundred twenty-three million, seven hundred thirty-three thousand, eight hundred eighty".