1368135799 has 16 divisors (see below), whose sum is σ = 1413396864. Its totient is φ = 1323712000.

The previous prime is 1368135787. The next prime is 1368135827. The reversal of 1368135799 is 9975318631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1368135799 - 2⁹ = 1368135287 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 (1368135709) 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, 2306847 + ... + 2307439.

It is an arithmetic number, because the mean of its divisors is an integer number (88337304).

Almost surely, 2^1368135799 is an apocalyptic number.

1368135799 is a deficient number, since it is larger than the sum of its proper divisors (45261065).

1368135799 is a wasteful number, since it uses less digits than its factorization.

1368135799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178.

The product of its digits is 1224720, while the sum is 52.

The square root of 1368135799 is about 36988.3197644878. The cubic root of 1368135799 is about 1110.1365519316.

The spelling of 1368135799 in words is "one billion, three hundred sixty-eight million, one hundred thirty-five thousand, seven hundred ninety-nine".