1395340668 has 60 divisors (see below), whose sum is σ = 3652331760. Its totient is φ = 464522688.

The previous prime is 1395340663. The next prime is 1395340673. The reversal of 1395340668 is 8660435931.

1395340668 is a `hidden beast` number, since 139 + 53 + 406 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (1395340663) and next prime (1395340673).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395340663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 306513 + ... + 311031.

It is an arithmetic number, because the mean of its divisors is an integer number (60872196).

Almost surely, 2^1395340668 is an apocalyptic number.

1395340668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1395340668 is an abundant number, since it is smaller than the sum of its proper divisors (2256991092).

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

1395340668 is a wasteful number, since it uses less digits than its factorization.

1395340668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5488 (or 5477 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 1395340668 is about 37354.2590342788. The cubic root of 1395340668 is about 1117.4465286788.

The spelling of 1395340668 in words is "one billion, three hundred ninety-five million, three hundred forty thousand, six hundred sixty-eight".