1138343883 has 8 divisors (see below), whose sum is σ = 1520319696. Its totient is φ = 757632000.

The previous prime is 1138343881. The next prime is 1138343891. The reversal of 1138343883 is 3883438311.

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

It is not a de Polignac number, because 1138343883 - 2¹ = 1138343881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1138343881) 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, 313878 + ... + 317483.

It is an arithmetic number, because the mean of its divisors is an integer number (190039962).

Almost surely, 2^1138343883 is an apocalyptic number.

1138343883 is a deficient number, since it is larger than the sum of its proper divisors (381975813).

1138343883 is an equidigital number, since it uses as much as digits as its factorization.

1138343883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631965.

The product of its digits is 165888, while the sum is 42.

The square root of 1138343883 is about 33739.3521425649. The cubic root of 1138343883 is about 1044.1378183393.

The spelling of 1138343883 in words is "one billion, one hundred thirty-eight million, three hundred forty-three thousand, eight hundred eighty-three".