1340230288 has 20 divisors (see below), whose sum is σ = 2603940480. Its totient is φ = 668245664.

The previous prime is 1340230261. The next prime is 1340230289. The reversal of 1340230288 is 8820320431.

It is not an unprimeable number, because it can be changed into a prime (1340230289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110920 + ... + 122407.

It is an arithmetic number, because the mean of its divisors is an integer number (130197024).

Almost surely, 2^1340230288 is an apocalyptic number.

It is an amenable number.

1340230288 is a deficient number, since it is larger than the sum of its proper divisors (1263710192).

1340230288 is a wasteful number, since it uses less digits than its factorization.

1340230288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233694 (or 233688 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1340230288 is about 36609.1557946916. The cubic root of 1340230288 is about 1102.5369236729.

The spelling of 1340230288 in words is "one billion, three hundred forty million, two hundred thirty thousand, two hundred eighty-eight".