1368992199 has 16 divisors (see below), whose sum is σ = 1929657600. Its totient is φ = 860907456.

The previous prime is 1368992197. The next prime is 1368992221. The reversal of 1368992199 is 9912998631.

It is not a de Polignac number, because 1368992199 - 2¹ = 1368992197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368992197) 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, 38259 + ... + 64820.

It is an arithmetic number, because the mean of its divisors is an integer number (120603600).

Almost surely, 2^1368992199 is an apocalyptic number.

1368992199 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1368992199 is a deficient number, since it is larger than the sum of its proper divisors (560665401).

1368992199 is a wasteful number, since it uses less digits than its factorization.

1368992199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103334.

The product of its digits is 1889568, while the sum is 57.

The square root of 1368992199 is about 36999.8945809309. The cubic root of 1368992199 is about 1110.3681377730.

The spelling of 1368992199 in words is "one billion, three hundred sixty-eight million, nine hundred ninety-two thousand, one hundred ninety-nine".