1356731768 has 16 divisors (see below), whose sum is σ = 2907282480. Its totient is φ = 581456448.

The previous prime is 1356731741. The next prime is 1356731773. The reversal of 1356731768 is 8671376531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12113621 + ... + 12113732.

It is an arithmetic number, because the mean of its divisors is an integer number (181705155).

Almost surely, 2^1356731768 is an apocalyptic number.

It is an amenable number.

1356731768 is an abundant number, since it is smaller than the sum of its proper divisors (1550550712).

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

1356731768 is a wasteful number, since it uses less digits than its factorization.

1356731768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24227366 (or 24227362 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 1356731768 is about 36833.8399844491. The cubic root of 1356731768 is about 1107.0434449555.

The spelling of 1356731768 in words is "one billion, three hundred fifty-six million, seven hundred thirty-one thousand, seven hundred sixty-eight".