128453496 has 64 divisors (see below), whose sum is σ = 342468000. Its totient is φ = 40009728.

The previous prime is 128453489. The next prime is 128453497. The reversal of 128453496 is 694354821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128453497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59736 + ... + 61848.

Almost surely, 2^128453496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128453496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171234000).

128453496 is an abundant number, since it is smaller than the sum of its proper divisors (214014504).

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

128453496 is a wasteful number, since it uses less digits than its factorization.

128453496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288 (or 2284 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 128453496 is about 11333.7326596316. The cubic root of 128453496 is about 504.5628946521.

The spelling of 128453496 in words is "one hundred twenty-eight million, four hundred fifty-three thousand, four hundred ninety-six".