1148518838 has 4 divisors (see below), whose sum is σ = 1722778260. Its totient is φ = 574259418.

The previous prime is 1148518831. The next prime is 1148518879. The reversal of 1148518838 is 8388158411.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1148518792 and 1148518801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148518831) 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 as a sum of consecutive naturals, namely, 287129708 + ... + 287129711.

It is an arithmetic number, because the mean of its divisors is an integer number (430694565).

Almost surely, 2^1148518838 is an apocalyptic number.

1148518838 is a deficient number, since it is larger than the sum of its proper divisors (574259422).

1148518838 is an equidigital number, since it uses as much as digits as its factorization.

1148518838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574259421.

The product of its digits is 245760, while the sum is 47.

The square root of 1148518838 is about 33889.8043369979. The cubic root of 1148518838 is about 1047.2395634173.

The spelling of 1148518838 in words is "one billion, one hundred forty-eight million, five hundred eighteen thousand, eight hundred thirty-eight".