1306148128 has 24 divisors (see below), whose sum is σ = 2585697660. Its totient is φ = 649463040.

The previous prime is 1306148113. The next prime is 1306148153. The reversal of 1306148128 is 8218416031.

It can be written as a sum of positive squares in 2 ways, for example, as 922458384 + 383689744 = 30372^2 + 19588^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1306148093 and 1306148102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106963 + ... + 118546.

Almost surely, 2^1306148128 is an apocalyptic number.

It is an amenable number.

1306148128 is a deficient number, since it is larger than the sum of its proper divisors (1279549532).

1306148128 is a wasteful number, since it uses less digits than its factorization.

1306148128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225700 (or 225692 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1306148128 is about 36140.6713828064. The cubic root of 1306148128 is about 1093.1106966199.

The spelling of 1306148128 in words is "one billion, three hundred six million, one hundred forty-eight thousand, one hundred twenty-eight".