134428896 has 240 divisors, whose sum is σ = 468357120. Its totient is φ = 37013760.

The previous prime is 134428831. The next prime is 134428897. The reversal of 134428896 is 698824431.

It is a happy number.

134428896 is a `hidden beast` number, since 134 + 428 + 8 + 96 = 666.

It is a super-2 number, since 2×134428896² = 36142256159557632, which contains 22 as substring.

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 (134428897) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 562345 + ... + 562583.

It is an arithmetic number, because the mean of its divisors is an integer number (1951488).

Almost surely, 2^134428896 is an apocalyptic number.

134428896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134428896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234178560).

134428896 is an abundant number, since it is smaller than the sum of its proper divisors (333928224).

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

134428896 is a wasteful number, since it uses less digits than its factorization.

134428896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 282 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 134428896 is about 11594.3475883725. The cubic root of 134428896 is about 512.2683733005.

The spelling of 134428896 in words is "one hundred thirty-four million, four hundred twenty-eight thousand, eight hundred ninety-six".