1368268536 has 32 divisors (see below), whose sum is σ = 3447613440. Its totient is φ = 452497248.

The previous prime is 1368268507. The next prime is 1368268537. The reversal of 1368268536 is 6358628631.

1368268536 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1368268536³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368268537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221406 + ... + 227501.

It is an arithmetic number, because the mean of its divisors is an integer number (107737920).

Almost surely, 2^1368268536 is an apocalyptic number.

It is an amenable number.

1368268536 is an abundant number, since it is smaller than the sum of its proper divisors (2079344904).

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

1368268536 is a wasteful number, since it uses less digits than its factorization.

1368268536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449043 (or 449039 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 1368268536 is about 36990.1140306434. The cubic root of 1368268536 is about 1110.1724527124.

The spelling of 1368268536 in words is "one billion, three hundred sixty-eight million, two hundred sixty-eight thousand, five hundred thirty-six".