1078678140 has 48 divisors (see below), whose sum is σ = 3022621728. Its totient is φ = 287426304.

The previous prime is 1078678123. The next prime is 1078678141. The reversal of 1078678140 is 418768701.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1078678092 and 1078678101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078678141) 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 15 ways as a sum of consecutive naturals, for example, 80994 + ... + 93366.

It is an arithmetic number, because the mean of its divisors is an integer number (62971286).

Almost surely, 2^1078678140 is an apocalyptic number.

1078678140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1078678140 is an abundant number, since it is smaller than the sum of its proper divisors (1943943588).

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

1078678140 is a wasteful number, since it uses less digits than its factorization.

1078678140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13838 (or 13836 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 42.

The square root of 1078678140 is about 32843.2358332732. The cubic root of 1078678140 is about 1025.5668140036.

The spelling of 1078678140 in words is "one billion, seventy-eight million, six hundred seventy-eight thousand, one hundred forty".