1309109682 has 16 divisors (see below), whose sum is σ = 2644143552. Its totient is φ = 432049200.

The previous prime is 1309109611. The next prime is 1309109687. The reversal of 1309109682 is 2869019031.

1309109682 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1309109682² = 3427536319012282248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1309109682.

It is not an unprimeable number, because it can be changed into a prime (1309109687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079518 + ... + 1080729.

It is an arithmetic number, because the mean of its divisors is an integer number (165258972).

Almost surely, 2^1309109682 is an apocalyptic number.

1309109682 is an abundant number, since it is smaller than the sum of its proper divisors (1335033870).

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

1309109682 is a wasteful number, since it uses less digits than its factorization.

1309109682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160353.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 1309109682 is about 36181.6207763002. The cubic root of 1309109682 is about 1093.9362443029.

The spelling of 1309109682 in words is "one billion, three hundred nine million, one hundred nine thousand, six hundred eighty-two".