1368936438 has 8 divisors (see below), whose sum is σ = 2737872888. Its totient is φ = 456312144.

The previous prime is 1368936431. The next prime is 1368936461. The reversal of 1368936438 is 8346398631.

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

1368936438 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368936431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114078031 + ... + 114078042.

It is an arithmetic number, because the mean of its divisors is an integer number (342234111).

Almost surely, 2^1368936438 is an apocalyptic number.

1368936438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1368936438 is a wasteful number, since it uses less digits than its factorization.

1368936438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228156078.

The product of its digits is 2239488, while the sum is 51.

The square root of 1368936438 is about 36999.1410440837. The cubic root of 1368936438 is about 1110.3530619437.

The spelling of 1368936438 in words is "one billion, three hundred sixty-eight million, nine hundred thirty-six thousand, four hundred thirty-eight".