1383268540 has 12 divisors (see below), whose sum is σ = 2904863976. Its totient is φ = 553307408.

The previous prime is 1383268499. The next prime is 1383268543. The reversal of 1383268540 is 458623831.

1383268540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1383268493 and 1383268502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383268543) 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 3 ways as a sum of consecutive naturals, for example, 34581694 + ... + 34581733.

It is an arithmetic number, because the mean of its divisors is an integer number (242071998).

Almost surely, 2^1383268540 is an apocalyptic number.

1383268540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1383268540 is an abundant number, since it is smaller than the sum of its proper divisors (1521595436).

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

1383268540 is a wasteful number, since it uses less digits than its factorization.

1383268540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69163436 (or 69163434 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 1383268540 is about 37192.3182928948. The cubic root of 1383268540 is about 1114.2145701580.

The spelling of 1383268540 in words is "one billion, three hundred eighty-three million, two hundred sixty-eight thousand, five hundred forty".