1306132394 has 16 divisors (see below), whose sum is σ = 2259628800. Its totient is φ = 554634864.

The previous prime is 1306132369. The next prime is 1306132403. The reversal of 1306132394 is 4932316031.

It is a self number, because there is not a number n which added to its sum of digits gives 1306132394.

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, 426434 + ... + 429485.

It is an arithmetic number, because the mean of its divisors is an integer number (141226800).

Almost surely, 2^1306132394 is an apocalyptic number.

1306132394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1306132394 is a deficient number, since it is larger than the sum of its proper divisors (953496406).

1306132394 is a wasteful number, since it uses less digits than its factorization.

1306132394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856037.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 1306132394 is about 36140.4537049551. The cubic root of 1306132394 is about 1093.1063073595.

The spelling of 1306132394 in words is "one billion, three hundred six million, one hundred thirty-two thousand, three hundred ninety-four".