1368264990 has 32 divisors (see below), whose sum is σ = 3325409280. Its totient is φ = 360251424.

The previous prime is 1368264977. The next prime is 1368264991. The reversal of 1368264990 is 994628631.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368264991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286294 + ... + 291033.

It is an arithmetic number, because the mean of its divisors is an integer number (103919040).

Almost surely, 2^1368264990 is an apocalyptic number.

1368264990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1368264990 is an abundant number, since it is smaller than the sum of its proper divisors (1957144290).

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

1368264990 is a wasteful number, since it uses less digits than its factorization.

1368264990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577416.

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 1368264990 is about 36990.0660988866. The cubic root of 1368264990 is about 1110.1714936719.

The spelling of 1368264990 in words is "one billion, three hundred sixty-eight million, two hundred sixty-four thousand, nine hundred ninety".