1309164 has 12 divisors (see below), whose sum is σ = 3054744. Its totient is φ = 436384.

The previous prime is 1309163. The next prime is 1309177. The reversal of 1309164 is 4619031.

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

It is not an unprimeable number, because it can be changed into a prime (1309163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54537 + ... + 54560.

It is an arithmetic number, because the mean of its divisors is an integer number (254562).

2^1309164 is an apocalyptic number.

It is an amenable number.

1309164 is an abundant number, since it is smaller than the sum of its proper divisors (1745580).

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

1309164 is a wasteful number, since it uses less digits than its factorization.

1309164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109104 (or 109102 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1309164 is about 1144.1870476456. The cubic root of 1309164 is about 109.3951374079.

The spelling of 1309164 in words is "one million, three hundred nine thousand, one hundred sixty-four".