1340311120 has 40 divisors (see below), whose sum is σ = 3128121216. Its totient is φ = 534077568.

The previous prime is 1340311109. The next prime is 1340311121. The reversal of 1340311120 is 211130431.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1340311094 and 1340311103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340311121) 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, 10812 + ... + 52891.

Almost surely, 2^1340311120 is an apocalyptic number.

1340311120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340311120 is an abundant number, since it is smaller than the sum of its proper divisors (1787810096).

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

1340311120 is a wasteful number, since it uses less digits than its factorization.

1340311120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63979 (or 63973 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1340311120 is about 36610.2597641699. The cubic root of 1340311120 is about 1102.5590886381.

Adding to 1340311120 its reverse (211130431), we get a palindrome (1551441551).

It can be divided in two parts, 1340311 and 120, that added together give a palindrome (1340431).

The spelling of 1340311120 in words is "one billion, three hundred forty million, three hundred eleven thousand, one hundred twenty".