1383540859 has 8 divisors (see below), whose sum is σ = 1419067440. Its totient is φ = 1348099200.

The previous prime is 1383540857. The next prime is 1383540863. The reversal of 1383540859 is 9580453831.

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

It is a cyclic number.

It is not a de Polignac number, because 1383540859 - 2¹ = 1383540857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1383540857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12447 + ... + 54055.

It is an arithmetic number, because the mean of its divisors is an integer number (177383430).

Almost surely, 2^1383540859 is an apocalyptic number.

1383540859 is a deficient number, since it is larger than the sum of its proper divisors (35526581).

1383540859 is an equidigital number, since it uses as much as digits as its factorization.

1383540859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42461.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 1383540859 is about 37195.9790703243. The cubic root of 1383540859 is about 1114.2876824712.

The spelling of 1383540859 in words is "one billion, three hundred eighty-three million, five hundred forty thousand, eight hundred fifty-nine".