1368611904 has 112 divisors (see below), whose sum is σ = 4006388736. Its totient is φ = 408844800.

The previous prime is 1368611903. The next prime is 1368611969. The reversal of 1368611904 is 4091168631.

It is not an unprimeable number, because it can be changed into a prime (1368611903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145389 + ... + 154515.

It is an arithmetic number, because the mean of its divisors is an integer number (35771328).

Almost surely, 2^1368611904 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 1368611904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2003194368).

1368611904 is an abundant number, since it is smaller than the sum of its proper divisors (2637776832).

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

1368611904 is a wasteful number, since it uses less digits than its factorization.

1368611904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9224 (or 9214 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1368611904 is about 36994.7550877148. The cubic root of 1368611904 is about 1110.2653111443.

The spelling of 1368611904 in words is "one billion, three hundred sixty-eight million, six hundred eleven thousand, nine hundred four".