134303428 has 24 divisors (see below), whose sum is σ = 268884224. Its totient is φ = 57499200.

The previous prime is 134303423. The next prime is 134303441. The reversal of 134303428 is 824303431.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 134303396 and 134303405.

It is not an unprimeable number, because it can be changed into a prime (134303423) 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, 35173 + ... + 38803.

Almost surely, 2^134303428 is an apocalyptic number.

It is an amenable number.

134303428 is an abundant number, since it is smaller than the sum of its proper divisors (134580796).

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

134303428 is a wasteful number, since it uses less digits than its factorization.

134303428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4963 (or 4961 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 134303428 is about 11588.9355852900. The cubic root of 134303428 is about 512.1089499998.

Adding to 134303428 its reverse (824303431), we get a palindrome (958606859).

The spelling of 134303428 in words is "one hundred thirty-four million, three hundred three thousand, four hundred twenty-eight".