1148381678 has 8 divisors (see below), whose sum is σ = 1726294368. Its totient is φ = 572950224.

The previous prime is 1148381657. The next prime is 1148381737. The reversal of 1148381678 is 8761838411.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 619151 + ... + 621002.

It is an arithmetic number, because the mean of its divisors is an integer number (215786796).

Almost surely, 2^1148381678 is an apocalyptic number.

1148381678 is a deficient number, since it is larger than the sum of its proper divisors (577912690).

1148381678 is a wasteful number, since it uses less digits than its factorization.

1148381678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240618.

The product of its digits is 258048, while the sum is 47.

The square root of 1148381678 is about 33887.7806591107. The cubic root of 1148381678 is about 1047.1978734620.

The spelling of 1148381678 in words is "one billion, one hundred forty-eight million, three hundred eighty-one thousand, six hundred seventy-eight".