1368994871 has 8 divisors (see below), whose sum is σ = 1387821120. Its totient is φ = 1350206208.

The previous prime is 1368994867. The next prime is 1368994903. The reversal of 1368994871 is 1784998631.

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

It is a cyclic number.

It is not a de Polignac number, because 1368994871 - 2² = 1368994867 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368994801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68315 + ... + 86051.

It is an arithmetic number, because the mean of its divisors is an integer number (173477640).

Almost surely, 2^1368994871 is an apocalyptic number.

1368994871 is a deficient number, since it is larger than the sum of its proper divisors (18826249).

1368994871 is an equidigital number, since it uses as much as digits as its factorization.

1368994871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18793.

The product of its digits is 2612736, while the sum is 56.

The square root of 1368994871 is about 36999.9306891243. The cubic root of 1368994871 is about 1110.3688601784.

The spelling of 1368994871 in words is "one billion, three hundred sixty-eight million, nine hundred ninety-four thousand, eight hundred seventy-one".