1368585738 has 48 divisors (see below), whose sum is σ = 3203936736. Its totient is φ = 419709600.

The previous prime is 1368585727. The next prime is 1368585761. The reversal of 1368585738 is 8375858631.

1368585738 is a `hidden beast` number, since 1 + 3 + 68 + 5 + 8 + 573 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62313 + ... + 81363.

It is an arithmetic number, because the mean of its divisors is an integer number (66748682).

Almost surely, 2^1368585738 is an apocalyptic number.

1368585738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1368585738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1601968368).

1368585738 is an abundant number, since it is smaller than the sum of its proper divisors (1835350998).

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

1368585738 is a wasteful number, since it uses less digits than its factorization.

1368585738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19379 (or 19376 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 1368585738 is about 36994.4014412992. The cubic root of 1368585738 is about 1110.2582355111.

The spelling of 1368585738 in words is "one billion, three hundred sixty-eight million, five hundred eighty-five thousand, seven hundred thirty-eight".