1340014340 has 24 divisors (see below), whose sum is σ = 3216034752. Its totient is φ = 459433440.

The previous prime is 1340014337. The next prime is 1340014343. The reversal of 1340014340 is 434100431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1340014337) and next prime (1340014343).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1340014343) 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, 4785626 + ... + 4785905.

It is an arithmetic number, because the mean of its divisors is an integer number (134001448).

Almost surely, 2^1340014340 is an apocalyptic number.

1340014340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340014340 is an abundant number, since it is smaller than the sum of its proper divisors (1876020412).

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

1340014340 is a wasteful number, since it uses less digits than its factorization.

1340014340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9571547 (or 9571545 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1340014340 is about 36606.2063043960. The cubic root of 1340014340 is about 1102.4777041407.

Adding to 1340014340 its reverse (434100431), we get a palindrome (1774114771).

The spelling of 1340014340 in words is "one billion, three hundred forty million, fourteen thousand, three hundred forty".