1356020340 has 48 divisors (see below), whose sum is σ = 3830476608. Its totient is φ = 358403584.

The previous prime is 1356020299. The next prime is 1356020357. The reversal of 1356020340 is 430206531.

It is a happy number.

1356020340 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

1356020340 is a modest number, since divided by 20340 gives 13560 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1356020340.

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, 93222 + ... + 106781.

It is an arithmetic number, because the mean of its divisors is an integer number (79801596).

Almost surely, 2^1356020340 is an apocalyptic number.

1356020340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1356020340 is an abundant number, since it is smaller than the sum of its proper divisors (2474456268).

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

1356020340 is a wasteful number, since it uses less digits than its factorization.

1356020340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200128 (or 200126 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1356020340 is about 36824.1814572979. The cubic root of 1356020340 is about 1106.8499113910.

Adding to 1356020340 its reverse (430206531), we get a palindrome (1786226871).

The spelling of 1356020340 in words is "one billion, three hundred fifty-six million, twenty thousand, three hundred forty".