128746296 has 96 divisors (see below), whose sum is σ = 400083840. Its totient is φ = 36638784.

The previous prime is 128746291. The next prime is 128746307. The reversal of 128746296 is 692647821.

It is a happy number.

128746296 is a `hidden beast` number, since 12 + 8 + 7 + 4 + 629 + 6 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128746291) 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 23 ways as a sum of consecutive naturals, for example, 235095 + ... + 235641.

It is an arithmetic number, because the mean of its divisors is an integer number (4167540).

Almost surely, 2^128746296 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 128746296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200041920).

128746296 is an abundant number, since it is smaller than the sum of its proper divisors (271337544).

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

128746296 is a wasteful number, since it uses less digits than its factorization.

128746296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 1026 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 128746296 is about 11346.6424989950. The cubic root of 128746296 is about 504.9459746800.

The spelling of 128746296 in words is "one hundred twenty-eight million, seven hundred forty-six thousand, two hundred ninety-six".