1368326906 has 16 divisors (see below), whose sum is σ = 2187075816. Its totient is φ = 639814656.

The previous prime is 1368326903. The next prime is 1368326969. The reversal of 1368326906 is 6096238631.

It can be written as a sum of positive squares in 4 ways, for example, as 1257340681 + 110986225 = 35459^2 + 10535^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1368326903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122831 + ... + 133506.

Almost surely, 2^1368326906 is an apocalyptic number.

1368326906 is a deficient number, since it is larger than the sum of its proper divisors (818748910).

1368326906 is a wasteful number, since it uses less digits than its factorization.

1368326906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256513.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 1368326906 is about 36990.9030168229. The cubic root of 1368326906 is about 1110.1882390494.

The spelling of 1368326906 in words is "one billion, three hundred sixty-eight million, three hundred twenty-six thousand, nine hundred six".