128413454 has 8 divisors (see below), whose sum is σ = 207437160. Its totient is φ = 59267736.

The previous prime is 128413451. The next prime is 128413463. The reversal of 128413454 is 454314821.

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

It is a self number, because there is not a number n which added to its sum of digits gives 128413454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128413451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2469464 + ... + 2469515.

It is an arithmetic number, because the mean of its divisors is an integer number (25929645).

Almost surely, 2^128413454 is an apocalyptic number.

128413454 is a deficient number, since it is larger than the sum of its proper divisors (79023706).

128413454 is a wasteful number, since it uses less digits than its factorization.

128413454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4938994.

The product of its digits is 15360, while the sum is 32.

The square root of 128413454 is about 11331.9660253638. The cubic root of 128413454 is about 504.5104611314.

The spelling of 128413454 in words is "one hundred twenty-eight million, four hundred thirteen thousand, four hundred fifty-four".