1309593084 has 12 divisors (see below), whose sum is σ = 3055717224. Its totient is φ = 436531024.

The previous prime is 1309593073. The next prime is 1309593143. The reversal of 1309593084 is 4803959031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 54566367 + ... + 54566390.

It is an arithmetic number, because the mean of its divisors is an integer number (254643102).

Almost surely, 2^1309593084 is an apocalyptic number.

It is an amenable number.

1309593084 is an abundant number, since it is smaller than the sum of its proper divisors (1746124140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1309593084 is a wasteful number, since it uses less digits than its factorization.

1309593084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109132764 (or 109132762 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 1309593084 is about 36188.3003745686. The cubic root of 1309593084 is about 1094.0708767429.

The spelling of 1309593084 in words is "one billion, three hundred nine million, five hundred ninety-three thousand, eighty-four".