1339809120 has 192 divisors, whose sum is σ = 5050261440. Its totient is φ = 329785344.

The previous prime is 1339809089. The next prime is 1339809127. The reversal of 1339809120 is 219089331.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339809127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44232 + ... + 68088.

It is an arithmetic number, because the mean of its divisors is an integer number (26303445).

Almost surely, 2^1339809120 is an apocalyptic number.

1339809120 is a gapful number since it is divisible by the number (10) 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 1339809120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2525130720).

1339809120 is an abundant number, since it is smaller than the sum of its proper divisors (3710452320).

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

1339809120 is a wasteful number, since it uses less digits than its factorization.

1339809120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23894 (or 23880 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1339809120 is about 36603.4031204750. The cubic root of 1339809120 is about 1102.4214206571.

The spelling of 1339809120 in words is "one billion, three hundred thirty-nine million, eight hundred nine thousand, one hundred twenty".