1306670133 has 16 divisors (see below), whose sum is σ = 1894570560. Its totient is φ = 797711616.

The previous prime is 1306670117. The next prime is 1306670137. The reversal of 1306670133 is 3310766031.

It is not a de Polignac number, because 1306670133 - 2⁴ = 1306670117 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1306670133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306670137) 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, 344343 + ... + 348116.

It is an arithmetic number, because the mean of its divisors is an integer number (118410660).

Almost surely, 2^1306670133 is an apocalyptic number.

It is an amenable number.

1306670133 is a deficient number, since it is larger than the sum of its proper divisors (587900427).

1306670133 is a wasteful number, since it uses less digits than its factorization.

1306670133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692516.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 1306670133 is about 36147.8925111824. The cubic root of 1306670133 is about 1093.2562985973.

The spelling of 1306670133 in words is "one billion, three hundred six million, six hundred seventy thousand, one hundred thirty-three".