1368133448 has 24 divisors (see below), whose sum is σ = 2819657190. Its totient is φ = 621878400.

The previous prime is 1368133441. The next prime is 1368133453. The reversal of 1368133448 is 8443318631.

It can be written as a sum of positive squares in only one way, i.e., 1367668324 + 465124 = 36982^2 + 682^2 .

It is a super-3 number, since 3×1368133448³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1368133441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 705713 + ... + 707648.

Almost surely, 2^1368133448 is an apocalyptic number.

It is an amenable number.

1368133448 is an abundant number, since it is smaller than the sum of its proper divisors (1451523742).

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

1368133448 is a wasteful number, since it uses less digits than its factorization.

1368133448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413389 (or 1413374 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 1368133448 is about 36988.2879841714. The cubic root of 1368133448 is about 1110.1359160463.

The spelling of 1368133448 in words is "one billion, three hundred sixty-eight million, one hundred thirty-three thousand, four hundred forty-eight".