134228945 has 16 divisors (see below), whose sum is σ = 164947968. Its totient is φ = 104813760.

The previous prime is 134228921. The next prime is 134228947. The reversal of 134228945 is 549822431.

It is a de Polignac number, because none of the positive numbers 2^k-134228945 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134228899 and 134228908.

It is not an unprimeable number, because it can be changed into a prime (134228947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142175 + ... + 143115.

It is an arithmetic number, because the mean of its divisors is an integer number (10309248).

Almost surely, 2^134228945 is an apocalyptic number.

It is an amenable number.

134228945 is a deficient number, since it is larger than the sum of its proper divisors (30719023).

134228945 is an equidigital number, since it uses as much as digits as its factorization.

134228945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600.

The product of its digits is 69120, while the sum is 38.

The square root of 134228945 is about 11585.7216003148. The cubic root of 134228945 is about 512.0142627558.

The spelling of 134228945 in words is "one hundred thirty-four million, two hundred twenty-eight thousand, nine hundred forty-five".