1368728088 has 128 divisors (see below), whose sum is σ = 4265318400. Its totient is φ = 356368896.

The previous prime is 1368728071. The next prime is 1368728113. The reversal of 1368728088 is 8808278631.

It is a self number, because there is not a number n which added to its sum of digits gives 1368728088.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168570 + ... + 176502.

It is an arithmetic number, because the mean of its divisors is an integer number (33322800).

Almost surely, 2^1368728088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1368728088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2132659200).

1368728088 is an abundant number, since it is smaller than the sum of its proper divisors (2896590312).

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

1368728088 is a wasteful number, since it uses less digits than its factorization.

1368728088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8041 (or 8037 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The square root of 1368728088 is about 36996.3253310379. The cubic root of 1368728088 is about 1110.2967277483.

The spelling of 1368728088 in words is "one billion, three hundred sixty-eight million, seven hundred twenty-eight thousand, eighty-eight".