1369330920 has 160 divisors (see below), whose sum is σ = 4626594720. Its totient is φ = 363242880.

The previous prime is 1369330901. The next prime is 1369330939. The reversal of 1369330920 is 290339631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1369330901) and next prime (1369330939).

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 682639 + ... + 684641.

It is an arithmetic number, because the mean of its divisors is an integer number (28916217).

Almost surely, 2^1369330920 is an apocalyptic number.

1369330920 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 1369330920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2313297360).

1369330920 is an abundant number, since it is smaller than the sum of its proper divisors (3257263800).

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

1369330920 is a wasteful number, since it uses less digits than its factorization.

1369330920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237 (or 2224 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 1369330920 is about 37004.4716216838. The cubic root of 1369330920 is about 1110.4597073212.

The spelling of 1369330920 in words is "one billion, three hundred sixty-nine million, three hundred thirty thousand, nine hundred twenty".