1368133438 has 8 divisors (see below), whose sum is σ = 2345371632. Its totient is φ = 586342896.

The previous prime is 1368133421. The next prime is 1368133441. The reversal of 1368133438 is 8343318631.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1368133438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48861895 + ... + 48861922.

It is an arithmetic number, because the mean of its divisors is an integer number (293171454).

Almost surely, 2^1368133438 is an apocalyptic number.

1368133438 is a deficient number, since it is larger than the sum of its proper divisors (977238194).

1368133438 is an equidigital number, since it uses as much as digits as its factorization.

1368133438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97723826.

The product of its digits is 124416, while the sum is 40.

The square root of 1368133438 is about 36988.2878489935. The cubic root of 1368133438 is about 1110.1359133415.

The spelling of 1368133438 in words is "one billion, three hundred sixty-eight million, one hundred thirty-three thousand, four hundred thirty-eight".