1368842158 has 8 divisors (see below), whose sum is σ = 2108756952. Its totient is φ = 665923176.

The previous prime is 1368842143. The next prime is 1368842179. The reversal of 1368842158 is 8512488631.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9248860 + ... + 9249007.

It is an arithmetic number, because the mean of its divisors is an integer number (263594619).

Almost surely, 2^1368842158 is an apocalyptic number.

1368842158 is a deficient number, since it is larger than the sum of its proper divisors (739914794).

1368842158 is a wasteful number, since it uses less digits than its factorization.

1368842158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18497906.

The product of its digits is 368640, while the sum is 46.

The square root of 1368842158 is about 36997.8669385142. The cubic root of 1368842158 is about 1110.3275709890.

The spelling of 1368842158 in words is "one billion, three hundred sixty-eight million, eight hundred forty-two thousand, one hundred fifty-eight".