1138892246 has 8 divisors (see below), whose sum is σ = 1709370624. Its totient is φ = 569102040.

The previous prime is 1138892239. The next prime is 1138892257. The reversal of 1138892246 is 6422988311.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1138892197 and 1138892206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167885 + ... + 174536.

It is an arithmetic number, because the mean of its divisors is an integer number (213671328).

Almost surely, 2^1138892246 is an apocalyptic number.

1138892246 is a deficient number, since it is larger than the sum of its proper divisors (570478378).

1138892246 is a wasteful number, since it uses less digits than its factorization.

1138892246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344086.

The product of its digits is 165888, while the sum is 44.

The square root of 1138892246 is about 33747.4776242610. The cubic root of 1138892246 is about 1044.3054521100.

The spelling of 1138892246 in words is "one billion, one hundred thirty-eight million, eight hundred ninety-two thousand, two hundred forty-six".