134712428 has 6 divisors (see below), whose sum is σ = 235746756. Its totient is φ = 67356212.

The previous prime is 134712401. The next prime is 134712467. The reversal of 134712428 is 824217431.

It is a junction number, because it is equal to n+sod(n) for n = 134712394 and 134712403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16839050 + ... + 16839057.

It is an arithmetic number, because the mean of its divisors is an integer number (39291126).

Almost surely, 2^134712428 is an apocalyptic number.

It is an amenable number.

134712428 is a deficient number, since it is larger than the sum of its proper divisors (101034328).

134712428 is a wasteful number, since it uses less digits than its factorization.

134712428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33678111 (or 33678109 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 134712428 is about 11606.5683128132. The cubic root of 134712428 is about 512.6282723143.

Adding to 134712428 its reverse (824217431), we get a palindrome (958929859).

The spelling of 134712428 in words is "one hundred thirty-four million, seven hundred twelve thousand, four hundred twenty-eight".