1368403533 has 24 divisors (see below), whose sum is σ = 2259923328. Its totient is φ = 781608672.

The previous prime is 1368403529. The next prime is 1368403601. The reversal of 1368403533 is 3353048631.

It is not a de Polignac number, because 1368403533 - 2² = 1368403529 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368403133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273016 + ... + 277982.

It is an arithmetic number, because the mean of its divisors is an integer number (94163472).

Almost surely, 2^1368403533 is an apocalyptic number.

It is an amenable number.

1368403533 is a deficient number, since it is larger than the sum of its proper divisors (891519795).

1368403533 is a wasteful number, since it uses less digits than its factorization.

1368403533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9353 (or 9350 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 1368403533 is about 36991.9387569779. The cubic root of 1368403533 is about 1110.2089623639.

The spelling of 1368403533 in words is "one billion, three hundred sixty-eight million, four hundred three thousand, five hundred thirty-three".