1368109338 has 16 divisors (see below), whose sum is σ = 2740689696. Its totient is φ = 455291280.

The previous prime is 1368109331. The next prime is 1368109363. The reversal of 1368109338 is 8339018631.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1368109338.

It is not an unprimeable number, because it can be changed into a prime (1368109331) 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, 182308 + ... + 189663.

It is an arithmetic number, because the mean of its divisors is an integer number (171293106).

Almost surely, 2^1368109338 is an apocalyptic number.

1368109338 is an abundant number, since it is smaller than the sum of its proper divisors (1372580358).

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

1368109338 is a wasteful number, since it uses less digits than its factorization.

1368109338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372589.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1368109338 is about 36987.9620687596. The cubic root of 1368109338 is about 1110.1293948661.

The spelling of 1368109338 in words is "one billion, three hundred sixty-eight million, one hundred nine thousand, three hundred thirty-eight".