1309009164 has 36 divisors (see below), whose sum is σ = 3107100024. Its totient is φ = 428927168.

The previous prime is 1309009157. The next prime is 1309009271. The reversal of 1309009164 is 4619009031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26104 + ... + 57440.

It is an arithmetic number, because the mean of its divisors is an integer number (86308334).

Almost surely, 2^1309009164 is an apocalyptic number.

It is an amenable number.

1309009164 is an abundant number, since it is smaller than the sum of its proper divisors (1798090860).

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

1309009164 is a wasteful number, since it uses less digits than its factorization.

1309009164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31462 (or 31401 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 1309009164 is about 36180.2316742168. The cubic root of 1309009164 is about 1093.9082448416.

The spelling of 1309009164 in words is "one billion, three hundred nine million, nine thousand, one hundred sixty-four".