1340100320 has 96 divisors (see below), whose sum is σ = 3443821920. Its totient is φ = 489830400.

The previous prime is 1340100287. The next prime is 1340100337. The reversal of 1340100320 is 230010431.

It is a super-3 number, since 3×1340100320³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1340100295 and 1340100304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206891 + ... + 213269.

It is an arithmetic number, because the mean of its divisors is an integer number (35873145).

Almost surely, 2^1340100320 is an apocalyptic number.

1340100320 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 1340100320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1721910960).

1340100320 is an abundant number, since it is smaller than the sum of its proper divisors (2103721600).

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

1340100320 is a wasteful number, since it uses less digits than its factorization.

1340100320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6508 (or 6500 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1340100320 is about 36607.3806765794. The cubic root of 1340100320 is about 1102.5012832430.

Adding to 1340100320 its reverse (230010431), we get a palindrome (1570110751).

The spelling of 1340100320 in words is "one billion, three hundred forty million, one hundred thousand, three hundred twenty".