1306384642 has 16 divisors (see below), whose sum is σ = 1984681440. Its totient is φ = 644836192.

The previous prime is 1306384627. The next prime is 1306384661. The reversal of 1306384642 is 2464836031.

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, 330534 + ... + 334462.

It is an arithmetic number, because the mean of its divisors is an integer number (124042590).

Almost surely, 2^1306384642 is an apocalyptic number.

1306384642 is a deficient number, since it is larger than the sum of its proper divisors (678296798).

1306384642 is a wasteful number, since it uses less digits than its factorization.

1306384642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6017.

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

The square root of 1306384642 is about 36143.9433653828. The cubic root of 1306384642 is about 1093.1766718780.

The spelling of 1306384642 in words is "one billion, three hundred six million, three hundred eighty-four thousand, six hundred forty-two".