1368242705 has 16 divisors (see below), whose sum is σ = 1754732160. Its totient is φ = 1020571392.

The previous prime is 1368242677. The next prime is 1368242717. The reversal of 1368242705 is 5072428631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1368242705 - 2¹⁰ = 1368241681 is a prime.

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, 66125 + ... + 84314.

It is an arithmetic number, because the mean of its divisors is an integer number (109670760).

Almost surely, 2^1368242705 is an apocalyptic number.

It is an amenable number.

1368242705 is a deficient number, since it is larger than the sum of its proper divisors (386489455).

1368242705 is a wasteful number, since it uses less digits than its factorization.

1368242705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150568.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 1368242705 is about 36989.7648681362. The cubic root of 1368242705 is about 1110.1654664997.

The spelling of 1368242705 in words is "one billion, three hundred sixty-eight million, two hundred forty-two thousand, seven hundred five".