134663428 has 24 divisors (see below), whose sum is σ = 240528960. Its totient is φ = 65953440.

The previous prime is 134663377. The next prime is 134663449. The reversal of 134663428 is 824366431.

It is a super-2 number, since 2×134663428² = 36268477681422368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44838 + ... + 47746.

It is an arithmetic number, because the mean of its divisors is an integer number (10022040).

Almost surely, 2^134663428 is an apocalyptic number.

It is an amenable number.

134663428 is a deficient number, since it is larger than the sum of its proper divisors (105865532).

134663428 is a wasteful number, since it uses less digits than its factorization.

134663428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147 (or 3145 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 134663428 is about 11604.4572471098. The cubic root of 134663428 is about 512.5661106863.

The spelling of 134663428 in words is "one hundred thirty-four million, six hundred sixty-three thousand, four hundred twenty-eight".