128281321137341 has 16 divisors (see below), whose sum is σ = 129817684560000. Its totient is φ = 126754224366528.

The previous prime is 128281321137337. The next prime is 128281321137401. The reversal of 128281321137341 is 143731123182821.

It is a cyclic number.

It is not a de Polignac number, because 128281321137341 - 2² = 128281321137337 is a prime.

It is a super-3 number, since 3×128281321137341³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128281321137241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145829870 + ... + 146706896.

It is an arithmetic number, because the mean of its divisors is an integer number (8113605285000).

Almost surely, 2^{128281321137341} is an apocalyptic number.

It is an amenable number.

128281321137341 is a deficient number, since it is larger than the sum of its proper divisors (1536363422659).

128281321137341 is a wasteful number, since it uses less digits than its factorization.

128281321137341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882308.

The product of its digits is 387072, while the sum is 47.

The spelling of 128281321137341 in words is "one hundred twenty-eight trillion, two hundred eighty-one billion, three hundred twenty-one million, one hundred thirty-seven thousand, three hundred forty-one".