1138026678 has 16 divisors (see below), whose sum is σ = 2349474816. Its totient is φ = 367105320.

The previous prime is 1138026661. The next prime is 1138026707. The reversal of 1138026678 is 8766208311.

1138026678 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3059026 + ... + 3059397.

It is an arithmetic number, because the mean of its divisors is an integer number (146842176).

Almost surely, 2^1138026678 is an apocalyptic number.

1138026678 is an abundant number, since it is smaller than the sum of its proper divisors (1211448138).

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

1138026678 is a wasteful number, since it uses less digits than its factorization.

1138026678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118459.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1138026678 is about 33734.6509986394. The cubic root of 1138026678 is about 1044.0408246539.

The spelling of 1138026678 in words is "one billion, one hundred thirty-eight million, twenty-six thousand, six hundred seventy-eight".