1309349166 has 48 divisors (see below), whose sum is σ = 2776996224. Its totient is φ = 411502608.

The previous prime is 1309349149. The next prime is 1309349189. The reversal of 1309349166 is 6619439031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 490351 + ... + 493013.

It is an arithmetic number, because the mean of its divisors is an integer number (57854088).

Almost surely, 2^1309349166 is an apocalyptic number.

1309349166 is an abundant number, since it is smaller than the sum of its proper divisors (1467647058).

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

1309349166 is a wasteful number, since it uses less digits than its factorization.

1309349166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933 (or 2914 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 1309349166 is about 36184.9300952759. The cubic root of 1309349166 is about 1094.0029472073.

The spelling of 1309349166 in words is "one billion, three hundred nine million, three hundred forty-nine thousand, one hundred sixty-six".