1368991834 has 8 divisors (see below), whose sum is σ = 2346843168. Its totient is φ = 586710780.

The previous prime is 1368991831. The next prime is 1368991867. The reversal of 1368991834 is 4381998631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1368991831) 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 3 ways as a sum of consecutive naturals, for example, 48892552 + ... + 48892579.

It is an arithmetic number, because the mean of its divisors is an integer number (293355396).

Almost surely, 2^1368991834 is an apocalyptic number.

1368991834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1368991834 is a deficient number, since it is larger than the sum of its proper divisors (977851334).

1368991834 is an equidigital number, since it uses as much as digits as its factorization.

1368991834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97785140.

The product of its digits is 1119744, while the sum is 52.

The square root of 1368991834 is about 36999.8896484841. The cubic root of 1368991834 is about 1110.3680390911.

The spelling of 1368991834 in words is "one billion, three hundred sixty-eight million, nine hundred ninety-one thousand, eight hundred thirty-four".