128456060413 has 8 divisors (see below), whose sum is σ = 129089265536. Its totient is φ = 127824026400.

The previous prime is 128456060401. The next prime is 128456060441. The reversal of 128456060413 is 314060654821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128456060413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128456063413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72456 + ... + 512017.

It is an arithmetic number, because the mean of its divisors is an integer number (16136158192).

Almost surely, 2^128456060413 is an apocalyptic number.

It is an amenable number.

128456060413 is a deficient number, since it is larger than the sum of its proper divisors (633205123).

128456060413 is an equidigital number, since it uses as much as digits as its factorization.

128456060413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585555.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 128456060413 in words is "one hundred twenty-eight billion, four hundred fifty-six million, sixty thousand, four hundred thirteen".