1369539912 has 128 divisors (see below), whose sum is σ = 3920716800. Its totient is φ = 395165952.

The previous prime is 1369539889. The next prime is 1369539929. The reversal of 1369539912 is 2199359631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 609463 + ... + 611705.

It is an arithmetic number, because the mean of its divisors is an integer number (30630600).

Almost surely, 2^1369539912 is an apocalyptic number.

1369539912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1369539912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1960358400).

1369539912 is an abundant number, since it is smaller than the sum of its proper divisors (2551176888).

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

1369539912 is a wasteful number, since it uses less digits than its factorization.

1369539912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387 (or 2383 counting only the distinct ones).

The product of its digits is 393660, while the sum is 48.

The square root of 1369539912 is about 37007.2953888824. The cubic root of 1369539912 is about 1110.5161985087.

The spelling of 1369539912 in words is "one billion, three hundred sixty-nine million, five hundred thirty-nine thousand, nine hundred twelve".