1356616340 has 36 divisors (see below), whose sum is σ = 3006743796. Its totient is φ = 514083456.

The previous prime is 1356616309. The next prime is 1356616351. The reversal of 1356616340 is 436166531.

It can be written as a sum of positive squares in 2 ways, for example, as 142372624 + 1214243716 = 11932^2 + 34846^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1356616340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86729 + ... + 101168.

It is an arithmetic number, because the mean of its divisors is an integer number (83520661).

Almost surely, 2^1356616340 is an apocalyptic number.

1356616340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1356616340 is an abundant number, since it is smaller than the sum of its proper divisors (1650127456).

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

1356616340 is a wasteful number, since it uses less digits than its factorization.

1356616340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187944 (or 187923 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 1356616340 is about 36832.2730767462. The cubic root of 1356616340 is about 1107.0120490579.

The spelling of 1356616340 in words is "one billion, three hundred fifty-six million, six hundred sixteen thousand, three hundred forty".